Changes required for running tests on EL8

[erikdsjostrom]

• Change the deprecated --log argument to --general-log

• Install development tools needed for building ruby gems

• Change to nosetests-2 since we're explicitly using the python2 version

• Bump cucumber version

Fixes: MON-12609

Signed-off-by: Erik Sjöström esjostrom@itrsgroup.com

[jacobbaungard]

Could we make this compatible with EL7, too and merge to master? Is it enough with just a OS-conditational around nosetests-2 perhaps?

[erikdsjostrom]

Sure we can do that.