[test] Deregister the metrics repository as soon as possible

Signed-off-by: Violeta Georgieva <696661+violetagg@users.noreply.github.com>

Author: violetagg

reactor-netty-http/src/test/java/reactor/netty/http/HttpMetricsHandlerTests.java

@@ -228,6 +228,10 @@ void tearDown() throws InterruptedException, ExecutionException, TimeoutExceptio
 					.block(Duration.ofSeconds(30));
 		}
 
+		Metrics.removeRegistry(registry);
+		registry.clear();
+		registry.close();
+
 		// In case the ServerCloseHandler is registered on the server, make sure client socket is closed on the server side
 		assertThat(ServerCloseHandler.INSTANCE.awaitClientClosedOnServer()).as("awaitClientClosedOnServer timeout").isTrue();
 
@@ -240,10 +244,6 @@ void tearDown() throws InterruptedException, ExecutionException, TimeoutExceptio
 			group.close()
 			     .get(5, TimeUnit.SECONDS);
 		}
-
-		Metrics.removeRegistry(registry);
-		registry.clear();
-		registry.close();
 	}
 
 	@ParameterizedTest