MULE-7985: Changing receiver lookup logic and endpoint registration on H...

...ttpConnector to consider 0.0.0.0 endpoint.
This method makes no sense... You're always adding the same mock to the list.

if you call when().thenReturn() several times, then the last invocation overrides the first. If you want to stub subsequent calls then you need to do when().thenReturn().thenREturn().thenReturn().