test: verify in order

Author: diegomarquezp

sdk-platform-java/gax-java/gax/src/test/java/com/google/api/gax/tracing/CompositeTracerTest.java

@@ -283,7 +283,8 @@ void testInjectTraceContext() {
   @Test
   void testRequestUrlResolved() {
     compositeTracer.requestUrlResolved("the-url");
-    verify(child1).requestUrlResolved("the-url");
-    verify(child2).requestUrlResolved("the-url");
+    InOrder inOrder = inOrder(child1, child2);
+    inOrder.verify(child1).requestUrlResolved("the-url");
+    inOrder.verify(child2).requestUrlResolved("the-url");
   }
 }