Fix testTimedMessageIsDisplayedOncePerSession fackyness

* Like some previous commits we are adding Awaitility and exending
the max time an existing one to fix the flaky
testTimedMessageIsDisplayedOncePerSession test.

Author: jkasten2

OneSignalSDK/unittest/src/test/java/com/test/onesignal/InAppMessageIntegrationTests.java

@@ -75,6 +75,7 @@
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
+import static org.junit.Assert.fail;
 
 @Config(packageName = "com.onesignal.example",
         shadows = {
@@ -362,7 +363,7 @@ public void testTimedMessageIsDisplayedOncePerSession() throws Exception {
         // for the correct amount of time, so all we are doing here is checking to
         // make sure the message actually gets displayed once the timer fires
         Awaitility.await()
-                .atMost(new Duration(150, TimeUnit.MILLISECONDS))
+                .atMost(new Duration(1_000, TimeUnit.MILLISECONDS))
                 .pollInterval(new Duration(10, TimeUnit.MILLISECONDS))
                 .until(() -> OneSignalPackagePrivateHelper.getInAppMessageDisplayQueue().size() == 1);
 
@@ -380,7 +381,10 @@ public void run() {
         OneSignalPackagePrivateHelper.dismissCurrentMessage();
 
         // Check that the IAM is not displayed again
-        assertEquals(0, OneSignalPackagePrivateHelper.getInAppMessageDisplayQueue().size());
+        Awaitility.await()
+                .atMost(new Duration(1_000, TimeUnit.MILLISECONDS))
+                .pollInterval(new Duration(10, TimeUnit.MILLISECONDS))
+                .until(() -> OneSignalPackagePrivateHelper.getInAppMessageDisplayQueue().size() == 0);
     }
 
     @Test