Repair failing AT

acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/condition/eth/ExpectSuccessfulEthGetTransactionReceiptWithoutReason.java

@@ -37,7 +37,7 @@ public void verify(final Node node) {
   private boolean revertReasonIsEmpty(final Node node) {
     return node.execute(transaction)
         .map(TransactionReceiptWithRevertReason::getRevertReason)
-        .filter(String::isEmpty)
+        .filter(str -> str.equals("0x"))
         .isPresent();
   }
 }