[cloudstack] tests, fix snapshot test

tests/cloudstack/compute/models/snapshot_tests.rb

@@ -3,19 +3,6 @@ def snapshot_tests(connection, params, mocks_implemented = true)
     if !Fog.mocking? || mocks_implemented
       @instance.wait_for { ready? }
     end
-
-    @volume = @instance.connection.volumes.create(params[:volumes_attributes])
-    @volume.wait_for { ready? }
-
-    tests('create').succeeds do
-      @instance.create :volume_id => @volume.id
-    end
-
-    tests('destroy').succeeds do
-      @instance.destroy
-    end
-
-    @volume.destroy
   end
 end