Change checks for handling same layer name un different stack

tests/test_opsworks/test_layers.py

@@ -24,16 +24,16 @@ def test_create_layer_response():
         Name="TestLayer",
         Shortname="TestLayerShortName"
     )
-    
+
     response.should.contain("LayerId")
-    
+
     second_stack_id = client.create_stack(
         Name="test_stack_2",
         Region="us-east-1",
         ServiceRoleArn="service_arn",
         DefaultInstanceProfileArn="profile_arn"
     )['StackId']
-    
+
     response = client.create_layer(
         StackId=second_stack_id,
         Type="custom",