diff --git a/src/rez/tests/test_config.py b/src/rez/tests/test_config.py
index eab5cbacf..f7ab096f8 100644
--- a/src/rez/tests/test_config.py
+++ b/src/rez/tests/test_config.py
@@ -95,13 +95,6 @@ def test_conditional_overrides(self):
 
         c.validate_data()
 
-        # Schema validation still works?
-        c.override("debug_none", PlatformDependent({
-            platform_name: "Wrong Type",
-        }))
-        with self.assertRaises(ConfigurationError):
-            c.validate_data()
-
         # Missing valid key or fallback
         with self.assertRaises(ConfigurationError):
             c.override("debug_none", PlatformDependent({
@@ -147,6 +140,14 @@ def test_conditional_overrides(self):
         self.assertEqual(c.plugins.release_hook.emailer.sender, "joe.bloggs")
         self.assertListEqual(c.implicit_packages, ["a list", "of values"])
 
+        with self.assertRaises(ConfigurationError):
+            # Schema validation still works?
+            c.override("debug_none", PlatformDependent({
+                platform_name: "Wrong Type",
+            }))
+            c.validate_data()
+
+
     def test_conditional_in_file(self):
         """Test package config overrides."""
         conf = os.path.join(self.config_path, "test_conditional.py")