small changes, style

tests/foreman/api/test_errata.py

@@ -225,6 +225,7 @@ def test_positive_install_multiple_in_host(
         environment=function_lce, organization=function_org
     ).create()
     content_view = module_target_sat.api.ContentView(organization=function_org).create()
+    # Associate custom repos with org, cv, lce, ak:
     module_target_sat.cli_factory.setup_org_for_a_custom_repo(
         {
             'url': settings.repos.yum_9.url,
@@ -234,17 +235,20 @@ def test_positive_install_multiple_in_host(
             'activationkey-id': activation_key.id,
         }
     )
-    rhel_contenthost.install_katello_ca(module_target_sat)
+    # Register content-host, enable all repos, install katello:
     rhel_contenthost.register_contenthost(function_org.name, activation_key.name, function_lce.name)
     rhel_contenthost.run(r'subscription-manager repos --enable \*')
     rhel_contenthost.install_katello_ca(module_target_sat)
-
     assert rhel_contenthost.subscribed
+    # Installing outdated YUM-9 pkgs
     for package in constants.FAKE_9_YUM_OUTDATED_PACKAGES:
         _install_package(clients=[rhel_contenthost], package_name=package)
     applicable_errata_count = rhel_contenthost.applicable_errata_count
     assert applicable_errata_count > 1
     rhel_contenthost.add_rex_key(satellite=module_target_sat)
+
+    # Each applicable errata will be installed sequentially,
+    # after each install, applicable-errata-count should drop by one.
     for errata in settings.repos.yum_9.errata:
         task_id = module_target_sat.api.JobInvocation().run(
             data={