test(credentials): Disable rate limiting for test

This test quickly polls a list endpoint, which exceeds the default rate
limits before the test can complete in CI.

internal/daemon/controller/testing.go

@@ -495,6 +495,8 @@ type TestControllerOpts struct {
 
 	// Toggle worker auth debugging
 	WorkerAuthDebuggingEnabled *atomic.Bool
+
+	DisableRateLimiting bool
 }
 
 func NewTestController(t testing.TB, opts *TestControllerOpts) *TestController {
@@ -806,6 +808,10 @@ func TestControllerConfig(t testing.TB, ctx context.Context, tc *TestController,
 		}
 	}
 
+	if opts.DisableRateLimiting {
+		opts.Config.Controller.ApiRateLimitDisable = true
+	}
+
 	return &Config{
 		RawConfig:                    opts.Config,
 		Server:                       tc.b,