Index: trunk/tests/test_input_data.py
===================================================================
diff -u -r48 -r50
--- trunk/tests/test_input_data.py	(.../test_input_data.py)	(revision 48)
+++ trunk/tests/test_input_data.py	(.../test_input_data.py)	(revision 50)
@@ -274,7 +274,8 @@
 
         # 3. Then
         assert validation_result
-        assert input_data.input_variables == expected_input_variables
+        assert len(input_data.input_variables) == len(expected_input_variables)
+        assert set(input_data.input_variables) == set(expected_input_variables)
 
 
 class Test_ValidateInputCoordinates: