Defined the "provider" tags in the Tag+Definitions extension in the test target.

Test/Sources/Helpers/Extensions/Tag+Definitions.swift

@@ -4,6 +4,7 @@ extension Tag {
     
     // MARK: Constants
     
-    @Tag static var enumeration: Self
+    @Tag static var enumeration: Tag
+    @Tag static var provider: Tag
     
 }