fix local graphql tests (again)

Author: abluchet

features/graphql/mutation.feature

@@ -27,11 +27,11 @@ Feature: GraphQL mutation support
     And the response should be in JSON
     And the header "Content-Type" should be equal to "application/json"
     And the JSON node "data.__type.fields[0].name" should contain "delete"
-    And the JSON node "data.__type.fields[0].description" should match '/^Deletes a [A-z]+\.$/'
-    And the JSON node "data.__type.fields[0].type.name" should match "/^delete[A-z]+Payload$/"
+    And the JSON node "data.__type.fields[0].description" should match '/^Deletes a [A-z0-9]+\.$/'
+    And the JSON node "data.__type.fields[0].type.name" should match "/^delete[A-z0-9]+Payload$/"
     And the JSON node "data.__type.fields[0].type.kind" should be equal to "OBJECT"
     And the JSON node "data.__type.fields[0].args[0].name" should be equal to "input"
-    And the JSON node "data.__type.fields[0].args[0].type.name" should match "/^delete[A-z]+Input$/"
+    And the JSON node "data.__type.fields[0].args[0].type.name" should match "/^delete[A-z0-9]+Input$/"
     And the JSON node "data.__type.fields[0].args[0].type.kind" should be equal to "INPUT_OBJECT"
 
   Scenario: Create an item