Fixed failing tests

Signed-off-by: Kondaka <krishkdk@amazon.com>

data-prepper-plugins/mutate-event-processors/src/test/java/org/opensearch/dataprepper/plugins/processor/mutateevent/ConvertEntryTypeProcessorTests.java

@@ -127,7 +127,7 @@ void testArrayOfStringsToIntegerConvertEntryTypeProcessor() {
         expectedResult.add(testValue1);
         expectedResult.add(testValue2);
         expectedResult.add(testValue3);
-        event = executeAndGetProcessedEvent(inputArray);
+        Event event = executeAndGetProcessedEvent(inputArray);
         assertThat(event.get(TEST_KEY, List.class), equalTo(expectedResult));
     }