test: Fix use of DEFAULT_IMAGE in github-task
test: Fix use of DEFAULT_IMAGE in github-task

Reviewed-by: Marius Vollmer <bb11c6e942c5cc765df5f04da146b3198127a7a3@redhat.com>

dperpeet/cockpit,jscotka/cockpit,martinpitt/cockpit,deryni/cockpit,matobet/cockpit,vanloswang/cockpit,dperpeet/cockpit,michalskrivanek/cockpit,andreasn/cockpit,dperpeet/cockpit,xhad/cockpit,martinpitt/cockpit,jscotka/cockpit,petervo/cockpit,stefwalter/cockpit,harishanand95/cockpit,cockpituous/cockpit,andreasn/cockpit,michalskrivanek/cockpit,harishanand95/cockpit,matobet/cockpit,martinpitt/cockpit,andreasn/cockpit,martinpitt/cockpit,Scribery/cockpit,andreasn/cockpit,larsu/cockpit,mvollmer/cockpit,vanloswang/cockpit,mvollmer/cockpit,mvollmer/cockpit,cockpituous/cockpit,xhad/cockpit,larskarlitski/cockpit,michalskrivanek/cockpit,sgallagher/cockpit,harishanand95/cockpit,michalskrivanek/cockpit,cockpit-project/cockpit,arilivigni/cockpit,vanloswang/cockpit,larsu/cockpit,larskarlitski/cockpit,moraleslazaro/cockpit,mareklibra/cockpit,mareklibra/cockpit,arilivigni/cockpit,mareklibra/cockpit,petervo/cockpit,cockpit-project/cockpit,stefwalter/cockpit,stefwalter/cockpit,arilivigni/cockpit,xhad/cockpit,sgallagher/cockpit,moraleslazaro/cockpit,vanloswang/cockpit,SotolitoLabs/cockpit,larskarlitski/cockpit,larskarlitski/cockpit,petervo/cockpit,garrett/cockpit,stefwalter/cockpit,michalskrivanek/cockpit,cockpit-project/cockpit,arilivigni/cockpit,xhad/cockpit,cockpituous/cockpit,Scribery/cockpit,sgallagher/cockpit,andreasn/cockpit,michalskrivanek/cockpit,martinpitt/cockpit,deryni/cockpit,andreasn/cockpit,Scribery/cockpit,petervo/cockpit,cockpit-project/cockpit,jscotka/cockpit,cockpit-project/cockpit,Scribery/cockpit,dperpeet/cockpit,matobet/cockpit,Scribery/cockpit,dperpeet/cockpit,harishanand95/cockpit,sgallagher/cockpit,jscotka/cockpit,harishanand95/cockpit,larskarlitski/cockpit,larsu/cockpit,dperpeet/cockpit,SotolitoLabs/cockpit,petervo/cockpit,harishanand95/cockpit,xhad/cockpit,xhad/cockpit,arilivigni/cockpit,garrett/cockpit,sgallagher/cockpit,SotolitoLabs/cockpit,arilivigni/cockpit,mareklibra/cockpit,stefwalter/cockpit,Scribery/cockpit,mvollmer/cockpit,matobet/cockpit,mvollmer/cockpit,deryni/cockpit,mareklibra/cockpit,larskarlitski/cockpit,moraleslazaro/cockpit,petervo/cockpit,moraleslazaro/cockpit,deryni/cockpit,vanloswang/cockpit,vanloswang/cockpit,larsu/cockpit,andreasn/cockpit,cockpituous/cockpit,cockpituous/cockpit,SotolitoLabs/cockpit,vanloswang/cockpit,deryni/cockpit,sgallagher/cockpit,mareklibra/cockpit,SotolitoLabs/cockpit,matobet/cockpit,dperpeet/cockpit,xhad/cockpit,sgallagher/cockpit,moraleslazaro/cockpit,larsu/cockpit,cockpituous/cockpit,deryni/cockpit,harishanand95/cockpit,michalskrivanek/cockpit,stefwalter/cockpit,jscotka/cockpit,garrett/cockpit,garrett/cockpit,stefwalter/cockpit,larskarlitski/cockpit,garrett/cockpit,matobet/cockpit,arilivigni/cockpit,mareklibra/cockpit,petervo/cockpit,moraleslazaro/cockpit,SotolitoLabs/cockpit,SotolitoLabs/cockpit,moraleslazaro/cockpit,jscotka/cockpit,Scribery/cockpit,deryni/cockpit,larsu/cockpit