ssh.rb in test-kitchen-2.7.0

- old
+ new

@@ -15,16 +15,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
 require_relative "../../kitchen"
 
-require "fileutils"
-require "net/ssh"
+require "fileutils" unless defined?(FileUtils)
+require "net/ssh" unless defined?(Net::SSH)
 require "net/ssh/gateway"
 require "net/ssh/proxy/http"
 require "net/scp"
-require "timeout"
-require "benchmark"
+require "timeout" unless defined?(Timeout)
+require "benchmark" unless defined?(Benchmark)
 
 module Kitchen
   module Transport
     # Wrapped exception for any internally raised SSH-related errors.
     #