diff --git a/addons/api/mirage/config.js b/addons/api/mirage/config.js
index ad976e8e7..2fd0d4ea1 100644
--- a/addons/api/mirage/config.js
+++ b/addons/api/mirage/config.js
@@ -413,9 +413,12 @@ export default function () {
   );
   this.get('/sessions/:id', function ({ sessions }, { params: { id } }) {
     const session = sessions.find(id);
-    return session.update({
-      status: pickRandomStatusString(),
-    });
+    if (!Ember.testing) {
+      session.update({
+        status: pickRandomStatusString(),
+      });
+    }
+    return session;
   });
   this.post(
     '/sessions/:idMethod',