snap_tests.py: fix exit code, add core20

Ensure that the return value of each subcommand actually impacts the test result. Add core20 to the list of core snaps. 

1 files changed, 3 insertions, 3 deletions

diff --git a/bin/snap_tests.py b/bin/snap_tests.py
index fe80288..bcfb48c 100755
--- a/bin/snap_tests.py
+++ b/bin/snap_tests.py
@@ -37,7 +37,7 @@ class SnapList():
 """snap list should show the core package is installed."""
 data = Snapd().list()
 for snap in data:
- if snap['name'] in ('core', 'core16', 'core18'):
+ if snap['name'] in ('core', 'core16', 'core18', 'core20'):
 print("Found a core snap")
 print(snap['name'], snap['version'], snap['revision'])
 return 0
@@ -189,8 +189,8 @@ class Snap():
 parser = argparse.ArgumentParser()
 parser.add_argument('subcommand', type=str, choices=sub_commands)
 args = parser.parse_args(sys.argv[1:2])
- sub_commands[args.subcommand]().invoked()
+ return sub_commands[args.subcommand]().invoked()
 
 
 if __name__ == '__main__':
- Snap().main()
+ sys.exit(Snap().main())