fix dispatcher changes with volatile

Author: jpbempel

dd-smoke-tests/debugger-integration-tests/src/test/java/datadog/smoketest/BaseIntegrationTest.java

@@ -592,7 +592,7 @@ protected static boolean logHasErrors(Path logFilePath, Function<String, Boolean
   }
 
   protected static class MockDispatcher extends okhttp3.mockwebserver.QueueDispatcher {
-    private Function<RecordedRequest, MockResponse> dispatcher;
+    private volatile Function<RecordedRequest, MockResponse> dispatcher;
 
     @Override
     public MockResponse dispatch(RecordedRequest request) throws InterruptedException {

dd-smoke-tests/debugger-integration-tests/src/test/java/datadog/smoketest/InProductEnablementIntegrationTest.java

@@ -98,7 +98,6 @@ void testExceptionReplayEnablement() throws Exception {
   @Test
   @DisplayName("testExceptionReplayEnablementFailure")
   void testExceptionReplayEnablementFailure() throws Exception {
-    additionalJvmArgs.add("-Ddd.symbol.database.upload.enabled=true"); // enabled by default
     additionalJvmArgs.add("-Ddd.exception.replay.enabled=true");
     additionalJvmArgs.add("-Ddd.third.party.excludes=datadog.smoketest");
     this.probeMockDispatcher.setDispatcher(this::noEndpointDispatch);