WIP: enable fully ts checking of test files

Author: gjf7

packages/neovim/tsconfig.json

@@ -4,5 +4,5 @@
     "outDir": "./lib"
   },
   "include": ["src"],
-  "exclude": ["node_modules", "__tests__", "**/*.test.ts", "examples", "lib"]
+  "exclude": ["node_modules", "examples", "lib"]
 }