[qa] maxblocksinflight: Actually enable test

Github-Pull: #7803
Rebased-From: fac724c78f281168ea174c36cada4f95112aea6d

qa/rpc-tests/maxblocksinflight.py

@@ -41,8 +41,6 @@ class TestManager(NodeConnCB):
         self.disconnectOkay = False
 
     def run(self):
-        try:
-            fail = False
         self.connection.rpc.generate(1)  # Leave IBD
 
         numBlocksToGenerate = [8, 16, 128, 1024]
@@ -68,8 +66,6 @@ class TestManager(NodeConnCB):
             if total_requests > MAX_REQUESTS:
                 raise AssertionError("Error, too many blocks (%d) requested" % total_requests)
             print "Round %d: success (total requests: %d)" % (count, total_requests)
-        except AssertionError as e:
-            print "TEST FAILED: ", e.args
 
         self.disconnectOkay = True
         self.connection.disconnect_node()