diff --git a/doc/bugs/reports_file___34__modified__34___whenever_it_is_not/comment_15_df08c2530b890544d5eb2df792c8fd4b._comment b/doc/bugs/reports_file___34__modified__34___whenever_it_is_not/comment_15_df08c2530b890544d5eb2df792c8fd4b._comment
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+[[!comment format=mdwn
+ username="joey"
+ subject="""comment 15"""
+ date="2022-09-22T18:42:06Z"
+ content="""
+@yarikoptic oh, `git-annex test` does prevent global gitconfig from
+influeencing the tests. So your matrix test won't work if you're
+running `git-annex test` in it. If you're running other git-annex commands
+in datalad's test suite, it would work though.
+
+I've opened [[todo/specify_gitconfig_for_test_suite]].
+"""]]
diff --git a/doc/todo/specify_gitconfig_for_test_suite.mdwn b/doc/todo/specify_gitconfig_for_test_suite.mdwn
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+`git-annex test` prevents ~/.gitconfig or /etc/gitconfig from being read.
+
+It would sometimes be useful to test git-annex with a given git config set.
+Although some might break the test suite, others might expose actual bugs
+in git-annex. --[[Joey]]