Add note to test

Author: LEDfan

src/test/java/eu/openanalytics/containerproxy/test/e2e/app_recovery/TestAppRecovery.java

@@ -102,6 +102,7 @@ public void simple_recover_single_app_after_shutdown(String backend, String extr
         }
     }
 
+    // note: this test only works with minikube running on the same local machine, because it uses the NodePort services
     @ParameterizedTest
     @MethodSource("provideStringsForIsBlank")
     public void new_app_should_work_after_recovery(String backend, String extraArgs) throws IOException, InterruptedException {

src/test/java/eu/openanalytics/containerproxy/test/helpers/ShinyProxyClient.java

@@ -117,6 +117,7 @@ public String getProxyRequest(String id) {
         try (Response response = client.newCall(request).execute()) {
             return response.body().string();
         } catch (Exception e) {
+            e.printStackTrace();
             return null;
         }
     }