refactor: cli tests: use TestMain, t.Setenv, t.Cleanup #931
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alexandear
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This PR refactors tests in
cli/main_test.go.Changes
os.Setenvwitht.Setenv;init()withTestMain.t.Cleanupfor resetingAppFs.Motivation
T.Setenvcallsos.Setenvand usesCleanupto restore the environment variable to its original value after the test.Cleanupregisters a function to be called when the test and all its subtests complete.TestMainis a handy way to do extra setup or teardown before or after a test executes.