title: How to fix Jest "No Tests Found" on windows 10?
body: <p>I am trying to use Jest on my windows 10 desktop computer, but it keeps telling me that there are no tests found. On my windows 10 laptop, it works just fine. Here is the output I am getting on my desktop:</p>
  
  <pre><code>C:\app&gt; jest
  No tests found
  In C:\app
     25163 files checked.
     testMatch: **/__tests__/**/*.js?(x),**/?(*.)(spec|test).js?(x) - 743 matches
     testPathIgnorePatterns: \\node_modules\\ - 25163 matches
  Pattern: "" - 0 matches
  </code></pre>
  
  <p>In my package.json file, my jest config looks like this:</p>
  
  <pre><code>"jest": {
    "collectCoverageFrom": [
      "app/**/*.{js,jsx}",
      "!app/**/*.test.{js,jsx}",
      "!app/*/RbGenerated*/*.{js,jsx}",
      "!app/app.js"
    ],
    "coverageThreshold": {
      "global": {
        "statements": 98,
        "branches": 91,
        "functions": 98,
        "lines": 98
      }
    },
    "moduleDirectories": [
      "node_modules",
      "app",
      "common"
    ],
    "moduleNameMapper": {
      ".*\\.(css|less|styl|scss|sass)$": "&lt;rootDir&gt;/internals/mocks/cssModule.js",
      ".*\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "&lt;rootDir&gt;/internals/mocks/image.js"
    },
    "setupTestFrameworkScriptFile": "&lt;rootDir&gt;/internals/testing/test-bundler.js"
  }
  </code></pre>
  
  <p>I am using node 8.1.4 and jest v20.0.4
  Any ideas on how to get jest to locate my tests?</p>