Rename IOException request test

Author: breedx-splk

opamp-client/src/test/java/io/opentelemetry/opamp/client/internal/request/service/HttpRequestServiceTest.java

@@ -191,7 +191,7 @@ void verifySendingRequest_whenTheresAParsingError() {
   }
 
   @Test
-  void verifySendingRequest_whenThereIsAnExecutionError() throws IOException {
+  void verifySendingRequest_whenThereIsAnIOException() throws IOException {
     IOException myException = mock();
     requestSender.enqueueException(myException);