I’m unable to start PhantomJS inside a Docker container inside CircleCI. I’m not sure what’s different about CircleCI, but these tests work fine on my local machine. On CircleCI, this is the output from running my tests:
13 07 2017 00:56:19.092:INFO [karma]: Karma v1.5.0 server started at http://0.0.0.0:9876/
13 07 2017 00:56:19.094:INFO [launcher]: Launching browser PhantomJS with unlimited concurrency
13 07 2017 00:56:19.148:INFO [launcher]: Starting browser PhantomJS
13 07 2017 00:57:19.158:WARN [launcher]: PhantomJS have not captured in 60000 ms, killing.
13 07 2017 00:57:21.161:WARN [launcher]: PhantomJS was not killed in 2000 ms, sending SIGKILL.
13 07 2017 00:57:23.164:WARN [launcher]: PhantomJS was not killed by SIGKILL in 2000 ms, continuing.