fix minor issues

2 jobs for tests in 7 minutes and 54 seconds (queued for 1 second)
Name Stage Failure
failed
test Test
npm ERR! minerva-plugins-gsea@0.9.0 test: `mocha tests`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the minerva-plugins-gsea@0.9.0 test script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! /root/.npm/_logs/2020-04-09T20_42_41_814Z-debug.log
ERROR: Job failed: exit code 1