set KRB5CCNAME variable during docker run, needed for eos auth

5 jobs for devnxcals_test_fix in 16 minutes and 12 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed cc7 #13981836

00:09:22

passed fedora30 #13981838

00:03:13

passed slc6 #13983338

00:06:50

passed ubuntu18 #13981837

00:03:37

failed slc6 #13981835

00:00:10