tweak service module pattern= logic so ./hacking/test-module does not give false positives

library/service

@@ -68,21 +68,26 @@ def _get_service_status(name, pattern):
     # If pattern is provided, search for that
     # before checking initctl, service output, and other tricks
     if pattern is not None:
+
         psbin = '/bin/ps'
         if not os.path.exists(psbin):
             if os.path.exists('/usr/bin/ps'):
                 psbin = '/usr/bin/ps'
             else:
                 psbin = None
+
         if psbin is not None:
             (rc, psout, pserr) = _run('%s %s' % (psbin, PS_OPTIONS))
             # If rc is 0, set running as appropriate
             # If ps command fails, fall back to other means.
             if rc == 0:
-                if pattern in psout:
-                    running = True
-                else:
-                    running = False
+                running = False
+                lines = psout.split("\n")
+                for line in lines:
+                    if pattern in line and not "pattern=" in line:
+                        # so as to not confuse ./hacking/test-module
+                        running = True
+                        break
 
     # Check if we got upstart on the system and then the job state
     if INITCTL != None and running is None: