Use `[` instead of `[[` as test command.
Use `[` instead of `[[` as test command.

Travis runs uses `/bin/sh` as the shell, which means bash is running in POSIX compliance mode.  Thus, `[[` is not available and was producing harmless error messages, as well as an additional run of Cucumber in the `support` directory (which contained zero scenarios).

ssoloff/dice-server-js,ssoloff/dice-server-js,ssoloff/dice-server-js,ssoloff/dice-server-js