Give ProcessorManager more time in tests to account for rebalances

Signed-off-by: nscuro <[email protected]>

src/test/java/org/dependencytrack/event/kafka/processor/api/ProcessorManagerTest.java

@@ -128,7 +128,7 @@ public void testSingleRecordProcessorRetry() throws Exception {
             processorManager.startAll();
 
             await("Record Processing")
-                    .atMost(Duration.ofSeconds(5))
+                    .atMost(Duration.ofSeconds(15))
                     .untilAsserted(() -> assertThat(attemptsCounter).hasValue(4));
         }
     }