Test pass on bionic:
1. on a laptop with a touch screen, touch the file manager icon on the launcher. Saw two file manager is launched.
2. enable proposed channel
3. apt install gnome-shell, it upgrades to version 3.28.3-0ubuntu0.18.04.3
4. log out and log in.
5. touch file manager icon on the launcher, confirmed that only one file manager is launched.
Test pass on bionic: 0ubuntu0. 18.04.3
1. on a laptop with a touch screen, touch the file manager icon on the launcher. Saw two file manager is launched.
2. enable proposed channel
3. apt install gnome-shell, it upgrades to version 3.28.3-
4. log out and log in.
5. touch file manager icon on the launcher, confirmed that only one file manager is launched.