Fix problem with open factory page in the selenium tests (eclipse-che#6789)

Author: Ohrimenko1988

selenium/che-selenium-core/src/main/java/org/eclipse/che/selenium/core/factory/TestFactory.java

@@ -49,9 +49,7 @@ public TestFactory(
   /** Adds authentication token into the browser and opens factory url. */
   public void authenticateAndOpen(SeleniumWebDriver driver) throws Exception {
     driver.get(dashboardUrl.get().toString());
-
     entrance.login(owner);
-
     driver.get(factoryUrl);
   }
 

selenium/che-selenium-test/src/main/java/org/eclipse/che/selenium/pageobject/site/CheLoginPage.java

@@ -63,7 +63,8 @@ public void waitOnOpen() {
 
   public void waitOnClose() {
     webDriverWait.until(
-        ExpectedConditions.invisibilityOfAllElements(ImmutableList.of(loginButton)));
+        ExpectedConditions.invisibilityOfAllElements(
+            ImmutableList.of(loginButton, passwordInput, usernameInput)));
   }
 
   public boolean isOpened() {