fix flaky test

This test asserts that the settingsMenuLink is not  present, and the appropriate test should be `isPresent()` not `isDisplayed()`

Author: megahirt

test/app/bellows/project-settings.e2e-spec.ts

@@ -15,7 +15,7 @@ describe('Bellows E2E Project Settings app', () => {
     await loginPage.loginAsMember();
     await projectsPage.get();
     await projectsPage.clickOnProject(constants.testProjectName);
-    expect<boolean>(await settingsPage.settingsMenuLink.isDisplayed()).toBe(false);
+    expect<boolean>(await settingsPage.settingsMenuLink.isPresent()).toBe(false);
   });
 
   it('System Admin can manage project', async () => {