[SPARK-12734][HOTFIX] Build changes must trigger all tests; clean after install in dep tests #10704
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This patch fixes a build/test issue caused by the combination of #10672 and a latent issue in the original
dev/test-dependencies
script.First, changes which only touched build files were not triggering full Jenkins runs, making it possible for a build change to be merged even though it could cause failures in other tests. The
root
build module now depends onbuild
, so all tests will now be run whenever a build-related file is changed.I also added a
clean
step to the Maven install step indev/test-dependencies
in order to address an issue where the dummy JARs stuck around and caused "multiple assembly JARs found" errors in tests./cc @zsxwing