Bump yeoman-test from 2.1.0 to 5.0.1

Bumps [yeoman-test](https://github.com/yeoman/yeoman-test) from 2.1.0 to 5.0.1.
- [Release notes](https://github.com/yeoman/yeoman-test/releases)
- [Commits](yeoman/yeoman-test@v2.1.0...v5.0.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -26,7 +26,7 @@
     "nsp": "^3.2.1",
     "prettier": "^1.7.0",
     "yeoman-assert": "^3.1.0",
-    "yeoman-test": "^2.0.0"
+    "yeoman-test": "^5.0.1"
   },
   "dependencies": {
     "chalk": "^3.0.0",