test(e2e): Decrease rate limit in config (#4183)

enos/modules/docker_boundary/boundary-config-rate-limit.hcl

@@ -35,8 +35,8 @@ controller {
     resources = ["host"]
     actions = ["read"]
     per = "auth-token"
-    limit = 5
-    period = "5s"
+    limit = 3
+    period = "10s"
   }
 
   api_rate_limit_max_quotas = 1

testing/internal/e2e/tests/base_plus/rate_limit_test.go

@@ -359,7 +359,7 @@ func TestCliRateLimit(t *testing.T) {
 	// Log in as a second user and confirm you get a HTTP 503 response
 	t.Log("Logging in as another user...")
 	boundary.AuthenticateCli(t, ctx, bc.AuthMethodId, acctName, acctPassword)
-	for i := 0; i < policyLimit; i++ {
+	for i := 0; i <= policyLimit; i++ {
 		output = e2e.RunCommand(ctx, "boundary", e2e.WithArgs("hosts", "read", "-id", newHostId))
 		t.Log(output.Duration)
 		if output.Err != nil {