diff --git a/package.json b/package.json
index 4004619..1ffbe4e 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,8 @@
 					"tcl"
 				],
 				"extensions": [
-					".tcl"
+					".tcl",
+					".test"
 				],
 				"configuration": "./tcl.configuration.json"
 			}