Merge branch '4.3.x' into 5.0.x

samples/client/petstore/java/okhttp-gson/.openapi-generator/VERSION

@@ -1 +1,5 @@
-5.0.0-SNAPSHOT
+<<<<<<< HEAD
+5.0.0-SNAPSHOT
+=======
+4.3.0-SNAPSHOT
+>>>>>>> 4.3.x

samples/client/petstore/java/okhttp-gson/src/test/java/org/openapitools/client/api/PetApiTest.java

@@ -128,8 +128,6 @@ public class PetApiTest {
                 //empty
             }
         });
-        // the API call should be executed asynchronously, so result should be empty at the moment
-        assertTrue(result.isEmpty());
 
         // wait for the asynchronous call to finish (at most 10 seconds)
         final int maxTry = 10;