Properly check for the sidebar

Signed-off-by: Julius Härtl <jus@bitgrid.net>

tests/acceptance/features/apps.feature

@@ -53,7 +53,7 @@ Feature: apps
     And I am logged in as the admin
     And I open the Apps management
     When I click on the "QA testing" app
-    Then I see that the sidebar is open
+    Then I see that the app details are shown
 
   # TODO: Improve testing with app store as external API
   # The following scenarios require the files_antivirus and calendar app
@@ -77,7 +77,7 @@ Feature: apps
     And I open the Apps management
     And I open the "Tools" section
     When I click on the "Antivirus App for files" app
-    Then I see that the sidebar is open
+    Then I see that the app details are shown
 
   Scenario: Install an app from the app store
     Given I act as Jane
@@ -85,6 +85,6 @@ Feature: apps
     And I open the Apps management
     And I open the "Office & text" section
     And I click on the "Calendar" app
-    And I see that the sidebar is open
+    And I see that the app details are shown
     Then I download and enable the "Calendar" app
     And I see that the "Calendar" app has been enabled

tests/acceptance/features/bootstrap/AppsManagementContext.php

@@ -106,6 +106,14 @@ class AppsManagementContext implements Context, ActorAwareInterface {
 		describedAs("Enable button in the app list");
 	}
 
+	/**
+	 * @return Locator
+	 */
+	public static function sidebar() {
+		return Locator::forThe()->id("app-sidebar")->
+		describedAs("Sidebar in apps management");
+	}
+
 
 	/**
 	 * @When I enable the :app app
@@ -205,5 +213,20 @@ class AppsManagementContext implements Context, ActorAwareInterface {
 		PHPUnit\Framework\Assert::assertEquals('Enable all', $this->actor->find(self::bundleButton($bundle))->getValue());
 	}
 
+	/**
+	 * @Given /^I see that the app details are shown$/
+	 */
+	public function iSeeThatTheAppDetailsAreShown() {
+		// The sidebar always exists in the DOM, so it has to be explicitly
+		// waited for it to be visible instead of relying on the implicit wait
+		// made to find the element.
+		if (!WaitFor::elementToBeEventuallyShown(
+			$this->actor,
+			self::sidebar(),
+			$timeout = 10 * $this->actor->getFindTimeoutMultiplier())) {
+			PHPUnit_Framework_Assert::fail("The sidebar was not shown yet after $timeout seconds");
+		}
+	}
+
 
 }