TT#45377 Make 'lua-ngcp-kamailio-tap-test' happy (test_dlgcnt.py comment without space)

> message   source/tests/test_dlgcnt.py:23:5: E265 block comment should start with '# '
> severity  error
> code      E265 block comment should start with '# '
> source    #print(stdoutdata, file=sys.stdout)
>           ^
> file source/tests/test_dlgcnt.py

Change-Id: I6cc40f6e8102cbf49995e22a18dfd905a1249480
(cherry picked from commit ce2d462b33)

tests/test_dlgcnt.py

@@ -20,7 +20,7 @@ def executeAndReturnOutput(command):
     p = subprocess.Popen(command, stdout=subprocess.PIPE,
                          stderr=subprocess.PIPE)
     stdoutdata, stderrdata = p.communicate()
-    #print(stdoutdata, file=sys.stdout)
+    # print(stdoutdata, file=sys.stdout)
     print(stderrdata, file=sys.stderr)
     return p.returncode, stdoutdata, stderrdata