Remove unnecessary setup

Author: jahn96

jest.config.js

@@ -1,16 +1,9 @@
 const path = require('path');
 
 module.exports = {
-  roots: ['<rootDir>'],
   verbose: true,
   preset: 'ts-jest/presets/js-with-babel',
-  // moduleNameMapper: {
-  //   '\\.(css|less|sass|scss)$': '<rootDir>/',
-  //   '\\.(gif|ttf|eot)$': '@jupyterlab/testutils/lib/jest-file-mock.js'
-  // },
   transform: {
-    // '\\.svg$': 'jest-raw-loader',
-    // '^.+\\.md?$': 'markdown-loader-jest',
     '^.+\\.tsx?$': 'ts-jest'
   },
   setupFiles: ['<rootDir>/testutils/jest-setup-files.js'],

tsconfig.json

@@ -20,5 +20,5 @@
     "target": "es2017",
     "types": []
   },
-  "include": ["src/*", "src/*.tsx", "test/*"]
+  "include": ["src/*", "src/*.tsx"]
 }

tsconfig.test.json

@@ -1,28 +1,27 @@
-// {
-//     "compilerOptions": {
-//       "declaration": true,
-//       "noImplicitAny": true,
-//       "noEmitOnError": true,
-//       "noUnusedLocals": true,
-//       "module": "commonjs",
-//       "moduleResolution": "node",
-//       "target": "es2015",
-//       "outDir": "lib",
-//       "lib": [
-//         "es2015",
-//         "es2015.collection",
-//         "dom",
-//         "es2015.iterable",
-//         "es2017.object"
-//       ],
-//       "types": ["jest", "node"],
-//       "typeRoots": ["./types", "./node_modules/@types"],
-//       "jsx": "react",
-//       "resolveJsonModule": true,
-//       "esModuleInterop": true,
-//       "strictNullChecks": true,
-//       "skipLibCheck": true
-//     },
-//     "exclude": ["node_modules", "**/*.spec.ts", "**/*.test.ts"],
-//     "include": ["./src/**/*.tsx", "./src/**/*.ts"]
-//   }
+{
+    "compilerOptions": {
+      "declaration": true,
+      "noImplicitAny": true,
+      "noEmitOnError": true,
+      "noUnusedLocals": true,
+      "module": "commonjs",
+      "moduleResolution": "node",
+      "target": "es2015",
+      "outDir": "lib",
+      "lib": [
+        "es2015",
+        "es2015.collection",
+        "dom",
+        "es2015.iterable",
+        "es2017.object"
+      ],
+      "types": ["jest"],
+      "typeRoots": ["./types", "./node_modules/@types"],
+      "jsx": "react",
+      "resolveJsonModule": true,
+      "esModuleInterop": true,
+      "strictNullChecks": true,
+      "skipLibCheck": true
+    },
+    "include": ["src/**/*", "test/**/*"]
+  }