test: optimize tests

src/test/java/de/telekom/horizon/pulsar/service/EventMessageSupplierTest.java

@@ -57,12 +57,10 @@ void testGetEventMessageContext(boolean isOffsetMode) {
 
         var pageableCaptor = ArgumentCaptor.forClass(Pageable.class);
 
-        var messagesCount = 100;
+        var messagesCount = 15;
         // We create a list of some test state documents similar as we would get from MongoDB
         var states = MockHelper.createMessageStateMongoDocumentsForTesting(messagesCount, MockHelper.TEST_ENVIRONMENT, Status.PROCESSED, false);
 
-        var offsetIndex = 0;
-
         // We create a new SubscriptionEventMessage for testing
         var subscriptionEventMessage = MockHelper.createSubscriptionEventMessageForTesting(DeliveryType.CALLBACK);
 
@@ -77,6 +75,7 @@ void testGetEventMessageContext(boolean isOffsetMode) {
             fail(e);
         }
 
+        var offsetIndex = 0;
         // We mock the request to MongoDB and return our dummy state documents instead
         // We also capture the pageable argument to check whether it has been used correctly, later
         if (isOffsetMode) {