Fix oversight

Author: razzeee

.eslintrc.js

@@ -18,7 +18,7 @@ module.exports = {
     ecmaVersion: 2018,
     sourceType: "module",
     tsconfigRootDir: __dirname,
-    project: ["./tsconfig.json"],
+    project: ["./tsconfig.test.json"],
   },
   plugins: ["@typescript-eslint", "prettier"],
   ignorePatterns: ["*.test.ts"],

test/sources/elm.json

@@ -0,0 +1,5 @@
+{
+  "extends": "./tsconfig.json",
+  "exclude": ["node_modules", ".vscode-test"],
+  "include": ["test/**/*.ts", "src/**/*.ts"]
+}