From a34db4eaa3327772d0d306608273bfc40a057138 Mon Sep 17 00:00:00 2001
From: Violeta Georgieva <violetag@vmware.com>
Date: Mon, 4 Jul 2022 21:45:01 +0300
Subject: [PATCH] [test] Fix warnings "unchecked method invocation"/"unchecked
 conversion" (#2355)

```
/.../reactor-netty/reactor-netty-http/src/test/java/reactor/netty/http/observability/ObservabilitySmokeTest.java:99:
 warning: [unchecked] unchecked method invocation: method addLast in interface Deque is applied to given types
                        timerRecordingHandlers.addLast(defaultHandler);
                                                      ^
  required: E
  found: ObservationHandler
  where E is a type-variable:
    E extends Object declared in interface Deque
/.../reactor-netty/reactor-netty-http/src/test/java/reactor/netty/http/observability/ObservabilitySmokeTest.java:99:
 warning: [unchecked] unchecked conversion
                        timerRecordingHandlers.addLast(defaultHandler);
                                                       ^
  required: E
  found:    ObservationHandler
  where E is a type-variable:
    E extends Object declared in interface Deque
```
---
 .../netty/http/observability/ObservabilitySmokeTest.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reactor-netty-http/src/test/java/reactor/netty/http/observability/ObservabilitySmokeTest.java b/reactor-netty-http/src/test/java/reactor/netty/http/observability/ObservabilitySmokeTest.java
index a2eb20481f..a300276694 100644
--- a/reactor-netty-http/src/test/java/reactor/netty/http/observability/ObservabilitySmokeTest.java
+++ b/reactor-netty-http/src/test/java/reactor/netty/http/observability/ObservabilitySmokeTest.java
@@ -94,7 +94,7 @@ void cleanRegistry() {
 	@Override
 	public BiConsumer<BuildingBlocks, Deque<ObservationHandler<? extends Observation.Context>>> customizeObservationHandlers() {
 		return (bb, timerRecordingHandlers) -> {
-			ObservationHandler defaultHandler = timerRecordingHandlers.removeLast();
+			ObservationHandler<? extends Observation.Context> defaultHandler = timerRecordingHandlers.removeLast();
 			timerRecordingHandlers.addLast(new ReactorNettyTracingObservationHandler(bb.getTracer()));
 			timerRecordingHandlers.addLast(defaultHandler);
 			timerRecordingHandlers.addFirst(new ReactorNettyHttpClientTracingObservationHandler(bb.getTracer(), bb.getHttpClientHandler()));