ci: disable output buffering, fix unconfigured check, add event logger unit test to nightly

2 jobs for 114-bring-the-whole-test-framework-to-ghdl in 25 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
canceled #5970
triggered
build_ip_and_tests

00:00:25

 
  Test
canceled #5971
triggered
test_ip_fast