Remove duplicated test 'test_get_available_resource'
Remove duplicated test 'test_get_available_resource'

There is a duplicated test for 'test_get_available_resource', it should
be removed.

Change-Id: I2063e323bd3653b899084b17864cdf7229c56f61

cloudbase/nova-docker,mangalaman93/nova-docker,Juniper/nova-docker,stackforge/nova-docker,Ye-Yong-Chi/nova-docker,gwdg/nova-docker,MinmingQian/nova-docker,ggiamarchi/nova-docker,AlphaStaxLLC/nova-docker,MinmingQian/nova-docker,devdattakulkarni/nova-docker-1,godvmxi/nova-docker,devdattakulkarni/nova-docker-1,godvmxi/nova-docker,Juniper/nova-docker,msrba/nova-docker,cloudbase/nova-docker,msrba/nova-docker,mangalaman93/nova-docker,ggiamarchi/nova-docker,stackforge/nova-docker,AlphaStaxLLC/nova-docker,Ye-Yong-Chi/nova-docker,gwdg/nova-docker