chore: fix typescript also building test files

Author: p-kuen

tsconfig.json

@@ -1,4 +1,5 @@
 {
+  "include": ["./src"],
   "compilerOptions": {
     /* Visit https://aka.ms/tsconfig to read more about this file */
 
@@ -26,7 +27,7 @@
 
     /* Modules */
     "module": "commonjs",                                /* Specify what module code is generated. */
-    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    "rootDir": "./src",                                  /* Specify the root folder within your source files. */
     // "moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
     // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
     // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */