Attempt to fix flaky storage test

firebase-storage/src/main/java/com/google/firebase/storage/StorageException.java

@@ -127,6 +127,7 @@ private static boolean isResultSuccess(int resultCode) {
   static String getErrorMessageForCode(int errorCode) {
     switch (errorCode) {
       case ERROR_UNKNOWN:
+        System.out.println("Error code: " + errorCode);
         return "An unknown error occurred, please check the HTTP result code and inner "
             + "exception for server response.";
       case ERROR_OBJECT_NOT_FOUND:
@@ -150,6 +151,7 @@ static String getErrorMessageForCode(int errorCode) {
       case ERROR_CANCELED:
         return "The operation was cancelled.";
       default:
+        System.out.println("Error code: " + errorCode);
         return "An unknown error occurred, please check the HTTP result code and inner "
             + "exception for server response.";
     }

firebase-storage/src/main/java/com/google/firebase/storage/UploadTask.java

@@ -343,6 +343,7 @@ private boolean shouldContinue() {
     // we attempt to recover by calling recoverStatus(true)
     if (inErrorState) {
       if (currentTime > deadLine || !recoverStatus(true)) {
+        System.out.println("Deadline reached!");
         if (serverStateValid()) {
           tryChangeState(INTERNAL_STATE_FAILURE, false);
         }