Remove UserGet call in tests since it's note required for anon sessions

Signed-off-by: Marcos Lilljedahl <marcosnils@gmail.com>

pwd/session_test.go

@@ -36,7 +36,6 @@ func TestSessionNew(t *testing.T) {
 	_d.On("DaemonHost").Return("localhost")
 	_d.On("NetworkConnect", config.L2ContainerName, "aaaabbbbcccc", "").Return("10.0.0.1", nil)
 	_s.On("SessionPut", mock.AnythingOfType("*types.Session")).Return(nil)
-	_s.On("UserGet", mock.Anything).Return(&types.User{}, nil)
 	_s.On("SessionCount").Return(1, nil)
 	_s.On("InstanceCount").Return(0, nil)
 	_s.On("ClientCount").Return(0, nil)