[BUG] package manager reports successful installation despite packageservice installation error

[duncdrum]

10 Oct 2020 22:25:10,786 [qtp1497538476-26] INFO (Deploy.java [load]:298) - Retrieving package from https://exist-db.org/exist/apps/public-repo/modules/find.xql?name=https%3A%2F%2Fwww.duncdrum.eu%2Fapps%2FcrossRepo&processor=5.3.0-SNAPSHOT&version=1.0.0

10 Oct 2020 22:25:11,271 [qtp1497538476-26] ERROR (Deploy.java [installAndDeploy]:215) - Failed to install dependency from https://exist-db.org/exist/apps/public-repo/modules/find.xql?name=https%3A%2F%2Fwww.duncdrum.eu%2Fapps%2FcrossRepo&processor=5.3.0-SNAPSHOT&version=1.0.0: https://exist-db.org/exist/apps/public-repo/modules/find.xql?name=https%3A%2F%2Fwww.duncdrum.eu%2Fapps%2FcrossRepo&processor=5.3.0-SNAPSHOT&version=1.0.0

java.io.IOException: Failed to install dependency from https://exist-db.org/exist/apps/public-repo/modules/find.xql?name=https%3A%2F%2Fwww.duncdrum.eu%2Fapps%2FcrossRepo&processor=5.3.0-SNAPSHOT&version=1.0.0: https://exist-db.org/exist/apps/public-repo/modules/find.xql?name=https%3A%2F%2Fwww.duncdrum.eu%2Fapps%2FcrossRepo&processor=5.3.0-SNAPSHOT&version=1.0.0

at org.exist.xquery.modules.expathrepo.Deploy$RepoPackageLoader.load(Deploy.java:314) ~[exist.uber.jar:5.3.0-SNAPSHOT]

at … 

no packages were installed
See eXist-db/existdb-packageservice#17

expected behavior

package manager should only report success, when packages are installed successfully.
Maybe two unit tests for successful and failed installs are in order.