diff --git a/test/validator/samples/properties-components-should-be-capitalised/warnings.json b/test/validator/samples/properties-components-must-be-capitalised/errors.json
similarity index 71%
rename from test/validator/samples/properties-components-should-be-capitalised/warnings.json
rename to test/validator/samples/properties-components-must-be-capitalised/errors.json
index c1ca7a425c..c171254888 100644
--- a/test/validator/samples/properties-components-should-be-capitalised/warnings.json
+++ b/test/validator/samples/properties-components-must-be-capitalised/errors.json
@@ -1,6 +1,6 @@
 [{
 	"code": "component-lowercase",
-	"message": "Component names should be capitalised",
+	"message": "Component names must be capitalised",
 	"loc": {
 		"line": 6,
 		"column": 3
diff --git a/test/validator/samples/properties-components-should-be-capitalised/input.html b/test/validator/samples/properties-components-must-be-capitalised/input.html
similarity index 100%
rename from test/validator/samples/properties-components-should-be-capitalised/input.html
rename to test/validator/samples/properties-components-must-be-capitalised/input.html