[LIBCLOUD-870] code & style fixes for tests
[LIBCLOUD-870] code & style fixes for tests

Kami/libcloud,ByteInternet/libcloud,andrewsomething/libcloud,apache/libcloud,ByteInternet/libcloud,andrewsomething/libcloud,mistio/libcloud,Kami/libcloud,mistio/libcloud,Kami/libcloud,apache/libcloud,ByteInternet/libcloud,apache/libcloud,andrewsomething/libcloud,mistio/libcloud