diff --git a/addons/api/addon/generated/models/auth-token.js b/addons/api/addon/generated/models/auth-token.js
new file mode 100644
index 000000000..31ce7fd41
--- /dev/null
+++ b/addons/api/addon/generated/models/auth-token.js
@@ -0,0 +1,8 @@
+import BaseModel from '../../models/base';
+
+/**
+ * NOTE:  we don't yet use this model for display in the UI and thus no
+ * attributes are included at this time.  This model is used only for
+ * validating that an auth token exists.
+ */
+export default class GeneratedAuthTokenModel extends BaseModel {}
diff --git a/addons/api/addon/models/auth-token.js b/addons/api/addon/models/auth-token.js
new file mode 100644
index 000000000..4ab39a0aa
--- /dev/null
+++ b/addons/api/addon/models/auth-token.js
@@ -0,0 +1,3 @@
+import GeneratedAuthTokenModel from '../generated/models/auth-token';
+
+export default class AuthTokenModel extends GeneratedAuthTokenModel {}
diff --git a/addons/api/app/models/auth-token.js b/addons/api/app/models/auth-token.js
new file mode 100644
index 000000000..8322bb3f1
--- /dev/null
+++ b/addons/api/app/models/auth-token.js
@@ -0,0 +1 @@
+export { default } from 'api/models/auth-token';
diff --git a/addons/api/tests/unit/models/auth-token-test.js b/addons/api/tests/unit/models/auth-token-test.js
new file mode 100644
index 000000000..1f0826b86
--- /dev/null
+++ b/addons/api/tests/unit/models/auth-token-test.js
@@ -0,0 +1,13 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+
+module('Unit | Model | auth token', function(hooks) {
+  setupTest(hooks);
+
+  // Replace this with your real tests.
+  test('it exists', function(assert) {
+    let store = this.owner.lookup('service:store');
+    let model = store.createRecord('auth-token', {});
+    assert.ok(model);
+  });
+});
diff --git a/addons/auth/addon/authenticators/password.js b/addons/auth/addon/authenticators/password.js
index 67c8ce422..eb383d6c8 100644
--- a/addons/auth/addon/authenticators/password.js
+++ b/addons/auth/addon/authenticators/password.js
@@ -13,8 +13,14 @@ import fetch from 'fetch';
  * Upon session invalidation, deauthentication is attempted at the URL generated
  * by `buildDeauthEndpointURL`, but is not guaranteed.
  *
+ * When a session is restored, a call is made to the endpoint specified by
+ * `buildTokenValidationEndpointURL`.  If this endpoint responds with 401 or
+ * 404, then the session is invalid and the restoration is rejected.  All other
+ * responses will resolve the session restoration successfully.
+ *
  * This authenticator should not be used directly because it does not specify
- * an `buildAuthEndpointURL` or `buildDeauthEndpointURL` of its own.
+ * an `buildAuthEndpointURL`, `buildDeauthEndpointURL`, or
+ * `buildTokenValidationEndpointURL` of its own.
  * To use, generate an application authenticator in your app
  * `authenticators/application.js` and extend this class.
  *
@@ -31,13 +37,25 @@ export default class PasswordAuthenticator extends BaseAuthenticator {
   // =methods
 
   /**
-   * Restores the session if data is present.  Otherwise rejects.
+   * Restores the session if data is present and token validation succeeds
+   * (any response other than 401 or 404 === success).  Otherwise rejects.
    * @override
    * @param {object} data
    * @return {Promise}
    */
-  restore(data) {
-    return data ? resolve(data) : reject();
+  async restore(data) {
+    if (!data) return reject();
+    const tokenID = data.id;
+    const tokenValidationURL = this.buildTokenValidationEndpointURL(tokenID);
+    const response = await fetch(tokenValidationURL, { method: 'get' });
+    // 401 and 404 responses mean the token is invalid, whereas other types of
+    // error responses do not tell us about the validity of the token.
+    switch (response.status) {
+      case 401:
+      case 404:
+        return reject();
+    }
+    return resolve(data);
   }
 
   /**
diff --git a/addons/auth/tests/dummy/app/authenticators/password.js b/addons/auth/tests/dummy/app/authenticators/password.js
index 1953a8f5d..06d437263 100644
--- a/addons/auth/tests/dummy/app/authenticators/password.js
+++ b/addons/auth/tests/dummy/app/authenticators/password.js
@@ -1,6 +1,10 @@
 import PasswordAuthenticator from 'auth/authenticators/password';
 
 export default class ApplicationPasswordAuthenticator extends PasswordAuthenticator {
+  buildTokenValidationEndpointURL(id) {
+    return `/validate/${id}`;
+  }
+
   buildAuthEndpointURL() {
     return '/authenticate';
   }
diff --git a/addons/auth/tests/unit/authenticators/password-test.js b/addons/auth/tests/unit/authenticators/password-test.js
index 873277469..040ce3758 100644
--- a/addons/auth/tests/unit/authenticators/password-test.js
+++ b/addons/auth/tests/unit/authenticators/password-test.js
@@ -96,4 +96,45 @@ module('Unit | Authenticator | password', function (hooks) {
       .then(() => assert.ok(true))
       .catch(() => assert.notOk(true, 'uh oh, this should not happen'));
   });
+
+  test('it passes token validation on restoration if receiving 200', async function (assert) {
+    assert.expect(1);
+    const mockData = { id: 'token_123' };
+    const authenticator = this.owner.lookup('authenticator:password');
+    this.server.get(authenticator.buildTokenValidationEndpointURL(mockData.id), () => {
+      assert.ok(true, 'token validation was requested');
+      return new Response(200);
+    });
+    await authenticator.restore(mockData);
+  });
+
+  test('it fails token validation on restoration if receiving 401', async function (assert) {
+    assert.expect(2);
+    const mockData = { id: 'token_123' };
+    const authenticator = this.owner.lookup('authenticator:password');
+    this.server.get(authenticator.buildTokenValidationEndpointURL(mockData.id), () => {
+      assert.ok(true, 'token validation was requested');
+      return new Response(401);
+    });
+    try {
+      await authenticator.restore(mockData);
+    } catch (e) {
+      assert.ok(true, 'restoration failed');
+    }
+  });
+
+  test('it fails token validation on restoration if receiving 404', async function (assert) {
+    assert.expect(2);
+    const mockData = { id: 'token_123' };
+    const authenticator = this.owner.lookup('authenticator:password');
+    this.server.get(authenticator.buildTokenValidationEndpointURL(mockData.id), () => {
+      assert.ok(true, 'token validation was requested');
+      return new Response(404);
+    });
+    try {
+      await authenticator.restore(mockData);
+    } catch (e) {
+      assert.ok(true, 'restoration failed');
+    }
+  });
 });
diff --git a/ui/core/app/authenticators/password.js b/ui/core/app/authenticators/password.js
index 2d64dfc47..a0ceccdd9 100644
--- a/ui/core/app/authenticators/password.js
+++ b/ui/core/app/authenticators/password.js
@@ -43,6 +43,17 @@ export default class PasswordAuthenticator extends BasePasswordAuthenticator {
     return adapter.buildURL('scope', scopeID, options, 'findRecord');
   }
 
+  /**
+   * Generates an auth token validation URL used to check tokens on restoration.
+   * @override
+   * @param {string} tokenID
+   * @return {string}
+   */
+  buildTokenValidationEndpointURL(tokenID) {
+    const adapter = this.store.adapterFor('auth-token');
+    return adapter.buildURL('auth-token', tokenID, {}, 'findRecord');
+  }
+
   /**
    * Intercepts the authenticate response, if any, and assigns the returned
    * token to all future requests via `addTokenToAuthorization`.
diff --git a/ui/core/mirage/config.js b/ui/core/mirage/config.js
index 59cbf0180..3d332f121 100644
--- a/ui/core/mirage/config.js
+++ b/ui/core/mirage/config.js
@@ -1,7 +1,7 @@
 import config from '../config/environment';
 import { authHandler, deauthHandler } from './route-handlers/auth';
 import { pickRandomStatusString } from './factories/session';
-//import { Response } from 'miragejs';
+import { Response } from 'miragejs';
 
 export default function() {
 
@@ -326,6 +326,14 @@ export default function() {
     return session.update(updatedAttrs);
   });
 
+  // auth-tokens
+
+  this.get('/auth-tokens/:id', function () {
+    // Set to 401 or 404 to simulate token invalidation, which will
+    // cause the session to fail restoration and logout the user.
+    return new Response(200);
+  });
+
   /* Uncomment the following line and the Response import above
    * Then change the response code to simulate error responses.
    * this.get('/scopes', () => new Response(505));
diff --git a/ui/core/tests/acceptance/roles-test.js b/ui/core/tests/acceptance/roles-test.js
index df68d06eb..eee3ffa50 100644
--- a/ui/core/tests/acceptance/roles-test.js
+++ b/ui/core/tests/acceptance/roles-test.js
@@ -15,49 +15,71 @@ module('Acceptance | roles', function (hooks) {
   setupApplicationTest(hooks);
   setupMirage(hooks);
 
-  let orgScope;
-  let rolesURL;
-  let roleURL;
-  let newRoleURL;
+  const instances = {
+    scopes: {
+      global: null,
+      org: null,
+    },
+    role: null,
+  };
+  const urls = {
+    orgScope: null,
+    roles: null,
+    role: null,
+    newRole: null,
+  };
 
   hooks.beforeEach(function () {
-    orgScope = this.server.create(
-      'scope',
-      {
-        type: 'org',
-      },
-      'withChildren'
-    );
-
-    const role = this.server.create('role', {
-      scope: orgScope,
-    });
-
-    rolesURL = `/scopes/${orgScope.id}/roles`;
-    roleURL = `${rolesURL}/${role.id}`;
-    newRoleURL = `${rolesURL}/new`;
-
     authenticateSession({});
+    instances.scopes.global = this.server.create('scope', { id: 'global' });
+    instances.scopes.org = this.server.create('scope', {
+      type: 'org',
+      scope: { id: 'global', type: 'global' },
+    });
+    instances.role = this.server.create('role', {
+      scope: instances.scopes.org,
+    }, 'withPrincipals');
+    urls.roles = `/scopes/${instances.scopes.org.id}/roles`;
+    urls.role = `${urls.roles}/${instances.role.id}`;
+    urls.newRole = `${urls.roles}/new`;
   });
 
   test('visiting roles', async function (assert) {
     assert.expect(1);
-    await visit(rolesURL);
+    await visit(urls.roles);
     await a11yAudit();
-    assert.equal(currentURL(), rolesURL);
+    assert.equal(currentURL(), urls.roles);
   });
 
-  test('visiting a role', async function (assert) {
+  test('can navigate to a role form', async function (assert) {
     assert.expect(1);
-    await visit(newRoleURL);
+    await visit(urls.roles);
+    await click('main tbody .rose-table-header-cell:nth-child(1) a');
     await a11yAudit();
-    assert.equal(currentURL(), newRoleURL);
+    assert.equal(currentURL(), urls.role);
+  });
+
+  test('can save changes to an existing role', async function (assert) {
+    assert.expect(2);
+    await visit(urls.role);
+    await fillIn('[name="name"]', 'Updated admin role');
+    await click('.rose-form-actions [type="submit"]');
+    assert.equal(currentURL(), urls.role);
+    assert.equal(this.server.db.roles[0].name, 'Updated admin role');
+  });
+
+  test('can cancel changes to an existing role', async function (assert) {
+    assert.expect(1);
+    await visit(urls.role);
+    await fillIn('[name="name"]', 'Updated admin role');
+    await click('.rose-form-actions [type="button"]');
+    assert.notEqual(find('[name="name"]').value, 'Updated admin role');
   });
 
   test('can create new role', async function (assert) {
     assert.expect(1);
     const rolesCount = this.server.db.roles.length;
-    await visit(newRoleURL);
+    await visit(urls.newRole);
     await fillIn('[name="name"]', 'role name');
     await click('[type="submit"]');
     assert.equal(this.server.db.roles.length, rolesCount + 1);
@@ -66,13 +88,21 @@ module('Acceptance | roles', function (hooks) {
   test('can cancel new role creation', async function (assert) {
     assert.expect(2);
     const rolesCount = this.server.db.roles.length;
-    await visit(newRoleURL);
+    await visit(urls.newRole);
     await fillIn('[name="name"]', 'role name');
     await click('.rose-form-actions [type="button"]');
-    assert.equal(currentURL(), rolesURL);
+    assert.equal(currentURL(), urls.roles);
     assert.equal(this.server.db.roles.length, rolesCount);
   });
 
+  test('can delete a role', async function (assert) {
+    assert.expect(1);
+    const rolesCount = this.server.db.roles.length;
+    await visit(urls.role);
+    await click('.rose-layout-page-actions .rose-dropdown-button-danger');
+    assert.equal(this.server.db.roles.length, rolesCount - 1);
+  });
+
   test('saving a new role with invalid fields displays error messages', async function (assert) {
     assert.expect(2);
     this.server.post('/roles', () => {
@@ -94,44 +124,12 @@ module('Acceptance | roles', function (hooks) {
         }
       );
     });
-    await visit(newRoleURL);
-    await fillIn('[name="name"]', 'role name');
-    await click('[type="submit"]');
-    assert.ok(
-      find('[role="alert"]').textContent.trim(),
-      'The request was invalid.',
-      'Displays primary error message.'
-    );
-    assert.ok(
-      find('.rose-form-error-message').textContent.trim(),
-      'Name is required.',
-      'Displays field-level errors.'
-    );
-  });
-
-  test('can save changes to an existing role', async function (assert) {
-    assert.expect(2);
-    await visit(roleURL);
-    await fillIn('[name="name"]', 'Updated admin role');
-    await click('.rose-form-actions [type="submit"]');
-    assert.equal(currentURL(), roleURL);
-    assert.equal(this.server.db.roles[0].name, 'Updated admin role');
-  });
-
-  test('can cancel changes to an existing role', async function (assert) {
-    assert.expect(1);
-    await visit(roleURL);
-    await fillIn('[name="name"]', 'Updated admin role');
-    await click('.rose-form-actions [type="button"]');
-    assert.notEqual(find('[name="name"]').value, 'Updated admin role');
-  });
-
-  test('can delete a role', async function (assert) {
-    assert.expect(1);
-    const rolesCount = this.server.db.roles.length;
-    await visit(roleURL);
-    await click('.rose-layout-page-actions .rose-dropdown-button-danger');
-    assert.equal(this.server.db.roles.length, rolesCount - 1);
+    await visit(urls.newRole);
+    await fillIn('[name="name"]', 'new target');
+    await click('form [type="submit"]');
+    await a11yAudit();
+    assert.ok(find('[role="alert"]'));
+    assert.ok(find('.rose-form-error-message'));
   });
 
   test('saving an existing role with invalid fields displays error messages', async function (assert) {
@@ -155,7 +153,7 @@ module('Acceptance | roles', function (hooks) {
         }
       );
     });
-    await visit(roleURL);
+    await visit(urls.role);
     await fillIn('[name="name"]', 'random string');
     await click('[type="submit"]');
     assert.ok(
@@ -183,7 +181,7 @@ module('Acceptance | roles', function (hooks) {
         }
       );
     });
-    await visit(roleURL);
+    await visit(urls.role);
     await fillIn('[name="name"]', 'Role name');
     await click('[type="submit"]');
     assert.ok(
@@ -206,7 +204,7 @@ module('Acceptance | roles', function (hooks) {
         }
       );
     });
-    await visit(roleURL);
+    await visit(urls.role);
     await click('.rose-layout-page-actions .rose-dropdown-button-danger');
     assert.ok(
       find('[role="alert"]').textContent.trim(),
@@ -214,40 +212,4 @@ module('Acceptance | roles', function (hooks) {
       'Displays primary error message.'
     );
   });
-
-  test('principals may be viewed in principals tab', async function (assert) {
-    assert.expect(0);
-  });
-
-  test('principal can be removed from a role', async function (assert) {
-    assert.expect(0);
-  });
-
-  test('grants can be updated and saved or canceled', async function (assert) {
-    assert.expect(0);
-  });
-
-  test('grants can be removed and saved or canceled', async function (assert) {
-    assert.expect(0);
-  });
-
-  test('new grants can be added and saved or canceled', async function (assert) {
-    assert.expect(0);
-  });
-
-  test('viewing role principals', async function (assert) {
-    assert.expect(0);
-  });
-
-  test('can delete a principal', async function (assert) {
-    assert.expect(0);
-  });
-
-  test('select and save principals to add', async function (assert) {
-    assert.expect(0);
-  });
-
-  test('select and cancel principals to add', async function (assert) {
-    assert.expect(0);
-  });
 });
diff --git a/ui/core/tests/acceptance/roles/grants-test.js b/ui/core/tests/acceptance/roles/grants-test.js
new file mode 100644
index 000000000..e767928fb
--- /dev/null
+++ b/ui/core/tests/acceptance/roles/grants-test.js
@@ -0,0 +1,182 @@
+import { module, test } from 'qunit';
+import { visit, currentURL, click, fillIn, find, findAll } from '@ember/test-helpers';
+import { setupApplicationTest } from 'ember-qunit';
+import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import a11yAudit from 'ember-a11y-testing/test-support/audit';
+import { Response } from 'miragejs';
+import {
+  authenticateSession,
+  // These are left here intentionally for future reference.
+  //currentSession,
+  //invalidateSession,
+} from 'ember-simple-auth/test-support';
+
+module('Acceptance | roles | grants', function (hooks) {
+  setupApplicationTest(hooks);
+  setupMirage(hooks);
+
+  const instances = {
+    scopes: {
+      global: null,
+      org: null,
+    },
+    role: null,
+  };
+  const urls = {
+    orgScope: null,
+    roles: null,
+    role: null,
+    newRole: null,
+  };
+  const newGrantForm = 'form:nth-child(1)';
+  const grantsForm = 'form:nth-child(2)';
+  let grantsCount;
+
+  hooks.beforeEach(function () {
+    authenticateSession({});
+    instances.scopes.global = this.server.create('scope', { id: 'global' });
+    instances.scopes.org = this.server.create('scope', {
+      type: 'org',
+      scope: { id: 'global', type: 'global' },
+    });
+    instances.role = this.server.create('role', {
+      scope: instances.scopes.org,
+    });
+    grantsCount = this.server.db.roles[0].grant_strings.length;
+    urls.roles = `/scopes/${instances.scopes.org.id}/roles`;
+    urls.role = `${urls.roles}/${instances.role.id}`;
+    urls.grants = `${urls.role}/grants`;
+  });
+
+  test('visiting role grants', async function (assert) {
+    assert.expect(2);
+    await visit(urls.grants);
+    await a11yAudit();
+    assert.equal(currentURL(), urls.grants);
+    assert.equal(findAll(`${grantsForm} [name="grant"]`).length, grantsCount);
+  });
+
+  test('update a grant', async function(assert) {
+    assert.expect(1);
+    this.server.post('/roles/:id', (_, { requestBody }) => {
+      const attrs = JSON.parse(requestBody);
+      assert.equal(attrs.grant_strings[0], 'id=123,action=delete', "A grant is updated");
+    });
+    await visit(urls.grants);
+    await fillIn(`${grantsForm} [name="grant"]`, 'id=123,action=delete');
+    await click('.rose-form-actions [type="submit"]:not(:disabled)');
+  });
+
+  test('cancel a grant update', async function(assert) {
+    assert.expect(1);
+    await visit(urls.grants);
+    await fillIn(`${grantsForm} [name="grant"]`, 'id=123,action=delete');
+    await click('.rose-form-actions button:not([type="submit"])');
+    assert.notEqual(find(`${grantsForm} [name="grant"]`).value, 'id=123,action=delete');
+  });
+
+  test('shows error message on grant update', async function (assert) {
+    assert.expect(2);
+    this.server.post('/roles/:idMethod', () => {
+      return new Response(
+        400,
+        {},
+        {
+          status: 400,
+          code: 'invalid_argument',
+          message: 'The request was invalid.',
+          details: {},
+        }
+      );
+    });
+    await visit(urls.grants);
+    assert.equal(findAll(`${grantsForm} [name="grant"]`).length, 
+    grantsCount);
+    await fillIn(`${grantsForm} [name="grant"]`, 'id=123,action=delete');
+    await click('.rose-form-actions [type="submit"]:not(:disabled)');
+    assert.ok(find('[role="alert"]'));
+  });
+
+  test('create a grant', async function(assert) {
+    assert.expect(1);
+    this.server.post('/roles/:id', (_, { requestBody }) => {
+      const attrs = JSON.parse(requestBody);
+      assert.equal(attrs.grant_strings.length, grantsCount + 1, "A grant is created");
+    });
+    await visit(urls.grants);
+    await fillIn(`${newGrantForm} [name="grant"]`, 'id=123,action=delete');
+    await click(`${newGrantForm} [type="submit"]:not(:disabled)`);
+    await click('.rose-form-actions [type="submit"]:not(:disabled)');
+  });
+
+  test('cancel a grant creation', async function(assert) {
+    assert.expect(1);
+    await visit(urls.grants);
+    await fillIn(`${newGrantForm} [name="grant"]`, 'id=123,action=delete');
+    await click(`${newGrantForm} [type="submit"]:not(:disabled)`);
+    await click('.rose-form-actions button:not([type="submit"])');
+    assert.notOk(find(`${newGrantForm} [name="grant"]`).value);
+  });
+
+  test('shows error message on grant create', async function (assert) {
+    assert.expect(2);
+    this.server.post('/roles/:idMethod', () => {
+      return new Response(
+        400,
+        {},
+        {
+          status: 400,
+          code: 'invalid_argument',
+          message: 'The request was invalid.',
+          details: {},
+        }
+      );
+    });
+    await visit(urls.grants);
+    assert.equal(findAll(`${grantsForm} [name="grant"]`).length, 
+    grantsCount);
+    await fillIn(`${newGrantForm} [name="grant"]`, 'id=123,action=delete');
+    await click(`${newGrantForm} [type="submit"]:not(:disabled)`);
+    await click('.rose-form-actions [type="submit"]:not(:disabled)');
+    assert.ok(find('[role="alert"]'));
+  });
+
+  test('delete a grant', async function(assert) {
+    assert.expect(1);
+    await visit(urls.grants);
+    await click(`${grantsForm} button:not([type="submit"])`);
+    await click('.rose-form-actions [type="submit"]:not(:disabled)');
+    assert.equal(findAll(`${grantsForm} [name="grant"]`).length, 
+    grantsCount - 1);
+  });
+
+  test('cancel a grant remove', async function(assert) {
+    assert.expect(1);
+    await visit(urls.grants);
+    await click(`${grantsForm} button`);
+    await click('.rose-form-actions button:not([type="submit"])');
+    assert.equal(findAll(`${grantsForm} [name="grant"]`).length, grantsCount);
+  });
+
+  test('shows error message on grant remove', async function (assert) {
+    assert.expect(2);
+    this.server.post('/roles/:idMethod', () => {
+      return new Response(
+        400,
+        {},
+        {
+          status: 400,
+          code: 'invalid_argument',
+          message: 'The request was invalid.',
+          details: {},
+        }
+      );
+    });
+    await visit(urls.grants);
+    assert.equal(findAll(`${grantsForm} [name="grant"]`).length, 
+    grantsCount);
+    await click(`${grantsForm} button:not([type="submit"])`);
+    await click('.rose-form-actions [type="submit"]:not(:disabled)');
+    assert.ok(find('[role="alert"]'));
+  });
+});
diff --git a/ui/core/tests/acceptance/roles/principals-test.js b/ui/core/tests/acceptance/roles/principals-test.js
new file mode 100644
index 000000000..493a7a9f4
--- /dev/null
+++ b/ui/core/tests/acceptance/roles/principals-test.js
@@ -0,0 +1,134 @@
+import { module, test } from 'qunit';
+import { visit, currentURL, click, find, findAll } from '@ember/test-helpers';
+import { setupApplicationTest } from 'ember-qunit';
+import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import a11yAudit from 'ember-a11y-testing/test-support/audit';
+import { Response } from 'miragejs';
+import {
+  authenticateSession,
+  // These are left here intentionally for future reference.
+  //currentSession,
+  //invalidateSession,
+} from 'ember-simple-auth/test-support';
+
+module('Acceptance | roles | principals', function (hooks) {
+  setupApplicationTest(hooks);
+  setupMirage(hooks);
+
+  const instances = {
+    scopes: {
+      global: null,
+      org: null,
+    },
+    role: null,
+  };
+  const urls = {
+    orgScope: null,
+    roles: null,
+    role: null,
+    newRole: null,
+  };
+  let principalsCount;
+
+  hooks.beforeEach(function () {
+    authenticateSession({});
+    instances.scopes.global = this.server.create('scope', { id: 'global' });
+    instances.scopes.org = this.server.create('scope', {
+      type: 'org',
+      scope: { id: 'global', type: 'global' },
+    });
+    instances.role = this.server.create('role', {
+      scope: instances.scopes.org,
+    }, 'withPrincipals');
+    principalsCount = this.server.db.roles[0].userIds.length + this.server.db.roles[0].groupIds.length;
+    urls.roles = `/scopes/${instances.scopes.org.id}/roles`;
+    urls.role = `${urls.roles}/${instances.role.id}`;
+    urls.rolePrincipals = `${urls.role}/principals`;
+    urls.addPrincipals = `${urls.role}/add-principals`;
+  });
+
+  test('visiting role principals', async function (assert) {
+    assert.expect(2);
+    await visit(urls.rolePrincipals);
+    await a11yAudit();
+    assert.equal(currentURL(), urls.rolePrincipals);
+    assert.equal(findAll('tbody tr').length, principalsCount);
+  });
+
+  test('principal can be removed from a role', async function (assert) {
+    assert.expect(2);
+    await visit(urls.rolePrincipals);
+    assert.equal(findAll('tbody tr').length, principalsCount);
+    await click('tbody tr .rose-dropdown-button-danger');
+    assert.equal(findAll('tbody tr').length, principalsCount - 1);
+  });
+
+  test('shows error message on principal remove', async function (assert) {
+    assert.expect(2);
+    this.server.post('/roles/:idMethod', () => {
+      return new Response(
+        400,
+        {},
+        {
+          status: 400,
+          code: 'invalid_argument',
+          message: 'The request was invalid.',
+          details: {},
+        }
+      );
+    });
+    await visit(urls.rolePrincipals);
+    assert.equal(findAll('tbody tr').length, principalsCount);
+    await click('tbody tr .rose-dropdown-button-danger');
+    assert.ok(find('[role="alert"]'));
+  });
+
+  test('select and save principals to add', async function (assert) {
+    assert.expect(3);
+    instances.role.update({ userIds: [], groupIds: [] });
+    await visit(urls.rolePrincipals);
+    assert.equal(findAll('tbody tr').length, 0);
+    await click('.rose-layout-page-actions a')
+    assert.equal(currentURL(), urls.addPrincipals);
+    await click('tbody label');
+    await click('form [type="submit"]');
+    await visit(urls.rolePrincipals);
+    assert.equal(findAll('tbody tr').length, 1);
+  });
+
+  test('select and cancel principals to add', async function (assert) {
+    assert.expect(4);
+    await visit(urls.rolePrincipals);
+    assert.equal(findAll('tbody tr').length, principalsCount);
+    // Remove a principal to populate association view
+    await click('tbody tr .rose-dropdown-button-danger');
+    assert.equal(findAll('tbody tr').length, principalsCount - 1);
+    await click('.rose-layout-page-actions a')
+    assert.equal(currentURL(), urls.addPrincipals);
+    await click('tbody label');
+    await click('form [type="button"]');
+    await visit(urls.rolePrincipals);
+    assert.equal(findAll('tbody tr').length, principalsCount - 1);
+  });
+
+  test('shows error message on principal add', async function (assert) {
+    assert.expect(1);
+    this.server.post('/roles/:idMethod', () => {
+      return new Response(
+        400,
+        {},
+        {
+          status: 400,
+          code: 'invalid_argument',
+          message: 'The request was invalid.',
+          details: {},
+        }
+      );
+    });
+    instances.role.update({ userIds: [], groupIds: [] });
+    await visit(urls.addPrincipals);
+    await click('tbody label');
+    await click('form [type="submit"]');
+    assert.ok(find('[role="alert"]'));
+  });
+});
diff --git a/ui/core/tests/unit/authenticators/password-test.js b/ui/core/tests/unit/authenticators/password-test.js
index 79996c8c0..0314aed17 100644
--- a/ui/core/tests/unit/authenticators/password-test.js
+++ b/ui/core/tests/unit/authenticators/password-test.js
@@ -1,6 +1,7 @@
 import { module, test } from 'qunit';
 import { setupTest } from 'ember-qunit';
 import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import { Response } from 'miragejs';
 
 module('Unit | Authenticator | password', function (hooks) {
   setupTest(hooks);
@@ -25,7 +26,11 @@ module('Unit | Authenticator | password', function (hooks) {
 
   test('it adds an authorization header to application adapter on restore', async function (assert) {
     assert.expect(1);
-    authenticator.restore({ token: 'token1234' });
+    const mockData = { id: 'token1234', token: 'token1234' };
+    this.server.get(authenticator.buildTokenValidationEndpointURL(mockData.id), () => {
+      return new Response(200);
+    });
+    authenticator.restore(mockData);
     assert.equal(applicationAdapter.headers.Authorization, 'Bearer token1234');
   });