Update tests. This sets the stage for more rigorous testing of nginx_stage, default configurations and overrides, centos:8 and debian when we get there.
This is
a small refactor of the test files
adds a test case for default nginx_stage.
changes the CI pipeline to be GH actions instead of Travis.
Update tests. This sets the stage for more rigorous testing of nginx_stage, default configurations and overrides, centos:8 and debian when we get there.
This is
nginx_stage.