Use verbose reporter when stdout is not a TTY

Fixes #1826.

Author: novemberborn

lib/cli.js

@@ -207,7 +207,7 @@ exports.run = () => { // eslint-disable-line complexity
 			reportStream: process.stdout,
 			stdStream: process.stderr
 		});
-	} else if (conf.verbose || isCi) {
+	} else if (conf.verbose || isCi || !process.stdout.isTTY) {
 		reporter = new VerboseReporter({
 			reportStream: process.stdout,
 			stdStream: process.stderr,