Document tox 4 requirement and PATH fix for --user installs so make
targets use the correct tox binary. Describe how to use selective
unit test environments instead of running the full matrix.
Signed-off-by: Geetika Kapoor <gkapoor@redhat.com>
Update the testing instructions and file exclusions in galaxy.yml, so
they still make sense in a released version of this collection.
Signed-off-by: Felix Matouschek <fmatouschek@redhat.com>
