assertInitializedWithParameters(container, opt_parameters, opt_app) {
    assertEquals(container, this.container_);
    // Confirm everything except for the callbacks.
    // It is not useful to assert the callbacks as they are not provided
    // externally and are injected in the process of rendering a reCAPTCHA.
    var filteredParams = object.clone(this.parameters_);
    delete filteredParams['callback'];
    delete filteredParams['expired-callback'];
    assertObjectEquals(opt_parameters, filteredParams);
    assertEquals(opt_app, this.app_);
  }
Asserts the reCAPTCHA verifier initialized with the expected parameters.
@param {!Element|string} container The expected reCAPTCHA container
    parameter. This has different meaning depending on whether the
reCAPTCHA is hidden or visible.
@param {?Object=} opt_parameters The expected optional reCAPTCHA
    parameters.
@param {?firebaseui.auth.testing.FakeAppClient=} opt_app The expected app
    instance associated with the fake Auth client.