test-syntax-js "line is too long" errors

CI is giving https://drone.owncloud.com/owncloud/customgroups/829/4/4
```
10 errors
rules/tests.mk:24: recipe for target 'test-syntax-js' failed
make: [test-syntax-js] Error 2 (ignored)
```
The error status 2 gets ignored.
Does anybody care about this?
