test: enable danger & tweak messaging

.travis.yml

@@ -15,10 +15,11 @@ install:
 - npm install
 - npm install --no-save @alrra/travis-scripts@^3.0.1 gh-pages@^0.12.0
 
-# Create bundles before running tests so they're always up-to-date
-# Pass -save to build-min so it'll update the readme as well
+# Run danger, build bundles (so they're always up to date)
 before_script:
+- npx danger run
 - npm run build-browser
+# Pass -save so it'll update the readme as well
 - npm run build-min -- -save
 
 # Run tests, lint, and then check for perf regressions

dangerfile.js

@@ -35,7 +35,9 @@ if(danger.github.pr.base.ref !== "next") {
 
 // Any non-test JS changes should probably have a change-log entry
 if(appfiles.length && !changelog) {
-	warn(`Please include a ${link("docs/change-log.md", "changelog")} entry.`)
+	warn(dedent(`
+		Please add an entry to ${link("docs/change-log.md")}.
+	`))
 }
 
 // Call out if `o.only(...)` was left in
@@ -47,7 +49,7 @@ jsfiles
 
 		locs.forEach((loc) =>
 			fail(dedent(`
-				${link(file, `#L${loc.line}`)} is preventing tests from running.
+				Please remove the \`o.only\` from ${link(file, `#L${loc.line}`)}.
 				<pre lang="javascript">
 				${pinpoint(code, {line: loc.line, column : loc.cursor})}
 				</pre>