Fixed testUniqueOutcomeFailSavedOnDBResetSession

* Fixed `testUniqueOutcomeFailSavedOnDBResetSession`, which was flaky.

Author: jkasten2

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

@@ -348,7 +348,6 @@ public void testUniqueOutcomeFailSavedOnDBResetSession() throws Exception {
         controller.sendUniqueOutcomeEvent(OUTCOME_NAME);
         controller.sendUniqueOutcomeEvent(OUTCOME_NAME);
         controller.sendUniqueOutcomeEvent(OUTCOME_NAME);
-
         threadAndTaskWait();
 
         new Thread(new Runnable() {
@@ -367,6 +366,7 @@ public void run() {
 
         controller.sendUniqueOutcomeEvent(OUTCOME_NAME);
         controller.sendUniqueOutcomeEvent(OUTCOME_NAME);
+        threadAndTaskWait();
 
         new Thread(new Runnable() {
             @Override