[tests-only][full-ci]Retry listing notifications (#6839) (#6872)

* Retry listing notifications

* use loop instaed

* use loop instaed

* throw exception

* use do while loop

tests/acceptance/features/bootstrap/NotificationContext.php

@@ -315,10 +315,26 @@ public function filterResponseByNotificationSubjectAndResource(string $subject,
 	 * @param TableNode $table
 	 *
 	 * @return void
+	 * @throws Exception
 	 */
 	public function userShouldGetANotificationWithMessage(string $user, string $subject, TableNode $table):void {
-		$this->userListAllNotifications($user);
-		$actualMessage = str_replace(["\r", "\n"], " ", $this->filterResponseAccordingToNotificationSubject($subject)->message);
+		$count = 0;
+		// sometimes the test might try to get notification before the notification is created by the server
+		// in order to prevent test from failing because of that try to list the notifications again
+		do {
+			if ($count > 0) {
+				\sleep(1);
+			}
+			$this->featureContext->setResponse(null);
+			$this->userListAllNotifications($user);
+			$this->featureContext->theHTTPStatusCodeShouldBe(200);
+			++$count;
+		} while (!isset($this->filterResponseAccordingToNotificationSubject($subject)->message) && $count <= 5);
+		if (isset($this->filterResponseAccordingToNotificationSubject($subject)->message)) {
+			$actualMessage = str_replace(["\r", "\n"], " ", $this->filterResponseAccordingToNotificationSubject($subject)->message);
+		} else {
+			throw new \Exception("Notification was not found even after retrying for 5 seconds.");
+		}
 		$expectedMessage = $table->getColumnsHash()[0]['message'];
 		Assert::assertSame(
 			$expectedMessage,