Added test for ex_fetch_power_state=False
Added test for ex_fetch_power_state=False

Signed-off-by: Quentin Pradet <d17611fde61d73f8de1b8b01bc47d446558ccd8e@apache.org>

mistio/libcloud,vongazman/libcloud,apache/libcloud,andrewsomething/libcloud,erjohnso/libcloud,erjohnso/libcloud,mistio/libcloud,StackPointCloud/libcloud,andrewsomething/libcloud,Scalr/libcloud,vongazman/libcloud,Kami/libcloud,StackPointCloud/libcloud,pquentin/libcloud,StackPointCloud/libcloud,pquentin/libcloud,apache/libcloud,vongazman/libcloud,apache/libcloud,ByteInternet/libcloud,erjohnso/libcloud,pquentin/libcloud,Scalr/libcloud,ByteInternet/libcloud,mistio/libcloud,Scalr/libcloud,Kami/libcloud,ByteInternet/libcloud,Kami/libcloud,andrewsomething/libcloud