post review changes

Author: SylvainJuge

apm-agent-core/src/test/java/co/elastic/apm/agent/report/IntakeV2ReportingEventHandlerTest.java

@@ -99,7 +99,7 @@ void setUp() throws Exception {
  SystemInfo system = new SystemInfo("x64", "localhost", "platform");
  final ProcessInfo title = new ProcessInfo("title");
  final Service service = new Service();
- apmServerClient = new ApmServerClient(reporterConfiguration, configurationRegistry.getConfig(CoreConfiguration.class));
+ apmServerClient = new ApmServerClient(reporterConfiguration, coreConfiguration);
  apmServerClient.start(List.of(
  new URL(HTTP_LOCALHOST + mockApmServer1.port()),
  // testing ability to configure a server url with additional path (ending with "/" in this case)