[QOLDEV-915] fix handling of schema_upload field

- Attach a file rather than entering a string

test/features/steps/steps.py

@@ -527,6 +527,14 @@ def create_resource_from_params(context, resource_params):
             if value == "default":
                 value = resource_default_schema
             _enter_manual_schema(context, value)
+        elif key == "schema_upload":
+            if value == "default":
+                value = "test-resource_schemea.json"
+            context.execute_steps(u"""
+                When I clear the "schema_upload" field
+                And I execute the script "$('#field-schema-upload').click();"
+                And I attach the file "{0}" to "schema_upload"
+            """.format(value))
         else:
             context.execute_steps(u"""
                 When I fill in "{0}" with "{1}" if present