fix issues raised by codacy

Author: szmg

resilience4j-retrofit/src/test/java/io/github/resilience4j/retrofit/RetrofitCircuitBreakerTest.java

@@ -224,7 +224,7 @@ public void shouldNotCallServiceOnEnqueueWhenOpen() throws Throwable {
                         .withStatus(200)
                         .withHeader("Content-Type", "text/plain")
                         .withBody("hello world")));
-;
+
         circuitBreaker.transitionToOpenState();
 
         try {