Rename the JobContent test to specify it is for the client.

This is preparation for a worker JobContent test.

Change-Id: I1643d08c38eb7f915724b27d03b45061b40aa33d
Rename the client JobMeshTypes test to state it is the client version.

This is in preparation of having a worker side JobMeshTypes test.

Change-Id: Ic8cdd33009d8aaa5f9dc5eeab9dd6fda070b41de