[signin] Add test for notNow button implementation

in the profile creation flow

Bug: 1115056
Change-Id: If6daa52923e55c775a3a5067e701d591e3ed700a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2352737
Commit-Queue: Diana Zagidullina <dizg@google.com>
Reviewed-by: David Roger <droger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798683}

chrome/test/data/webui/signin/BUILD.gn

@@ -48,6 +48,7 @@ js_library("profile_picker_app_test") {
     "//chrome/browser/resources/signin/profile_picker:navigation_behavior",
     "//chrome/browser/resources/signin/profile_picker:profile_picker_app",
     "//chrome/browser/resources/signin/profile_picker/profile_creation_flow:ensure_lazy_loaded",
+    "//chrome/browser/resources/signin/profile_picker/profile_creation_flow:local_profile_customization",
   ]
 }
 

chrome/test/data/webui/signin/profile_picker_app_test.js

@@ -55,4 +55,23 @@ suite('ProfilePickerAppTest', function() {
           return browserProxy.whenCalled('loadSignInProfileCreationFlow');
         });
   });
+
+  test('notNowButtonImplementation', function() {
+    navigateTo(Routes.NEW_PROFILE);
+    return waitForLoad()
+        .then(() => {
+          return waitBeforeNextRender(app);
+        })
+        .then(() => {
+          const choice = /** @type {!ProfileTypeChoiceElement} */ (
+              app.$$('profile-type-choice'));
+          assertTrue(!!choice);
+          choice.$$('#notNowButton').click();
+          const customization =
+              /** @type {!LocalProfileCustomizationElement} */ (
+                  app.$$('local-profile-customization'));
+          assertTrue(!!customization);
+          assertTrue(customization.classList.contains('active'));
+        });
+  });
 });

chrome/test/data/webui/signin/signin_browsertest.js

@@ -125,6 +125,6 @@ var ProfilePickerAppTest = class extends SigninBrowserTest {
   }
 };
 
-TEST_F('ProfilePickerAppTest', 'SignInButtonImplementation', function() {
+TEST_F('ProfilePickerAppTest', 'ButtonsImplementation', function() {
   mocha.run();
 });