title: angular cli 6, ng test not working
body: <p>I have just updated my angular project to angular 6.</p>
  
  <p>ng build and ng serve work, but when I run my tests with the command:</p>
  
  <pre><code>ng test
  </code></pre>
  
  <p>I get the output:</p>
  
  <pre><code>Schema validation failed with the following errors:
  Data path "" should have required property 'tsConfig'.
  </code></pre>
  
  <p>tsconfig.json:</p>
  
  <pre><code>{
  "compilerOptions": {
  "baseUrl": "",
  "declaration": false,
  "emitDecoratorMetadata": true,
  "experimentalDecorators": true,
  "lib": [
    "es2016",
    "dom"
  ],
  "mapRoot": "./",
  "module": "es2015",
  "moduleResolution": "node",
  "outDir": "../dist/out-tsc",
  "sourceMap": true,
  "target": "es5",
  "typeRoots": [
    "../node_modules/@types"
  ]
  }
  }
  </code></pre>
  
  <p>What am I doing wrong ?</p>