Remove Jest. Update dangerfile.js.

dangerfile.js

@@ -1,9 +1,9 @@
-import { message, danger } from "danger"
+import { danger, fail } from 'danger'
 
-// Add a CHANGELOG entry for app changes
-const hasChangelog = includes(danger.git.modified_files, "CHANGELOG.md")
-const isTrivial = contains((danger.github.pr.body + danger.github.pr.title), "#trivial")
+// Check if the CHANGELOG.md file has been edited
+const changelogEdited = danger.git.modified_files.includes('CHANGELOG.md')
 
-if (!hasChangelog && !isTrivial) {
-    warn("Please add a `CHANGELOG.md` entry for your changes.")
+// Fail the build and post a comment reminding submitters to do so if it wasn't changed
+if (!changelogEdited) {
+	fail('Please include a CHANGELOG entry. You can find it at [CHANGELOG.md](CHANGELOG.md).')
 }

package.json

@@ -44,7 +44,6 @@
     "grunt-stylelint": "latest",
     "grunt-yamllint": "latest",
     "http-auth": "^3.2.3",
-    "jest": "^22.1.4",
     "jshint": "^2.9.5",
     "mocha": "^4.1.0",
     "mocha-each": "^1.1.0",
@@ -70,12 +69,5 @@
     "socket.io": "^2.0.4",
     "valid-url": "latest",
     "walk": "latest"
-  },
-  "jest": {
-    "transform": {
-      "^.+\\.js$": "<rootDir>/node_modules/babel-jest"
-    },
-    "testPathIgnorePatterns": ["\\.snap$", "<rootDir>/build", "<rootDir>/node_modules/" , "<rootDir>/modules/"],
-    "cacheDirectory": ".jest/cache"
   }
 }