test: Set alternate HOME during tests.

We set the HOME environment variable to the test directory to avoid
the tests relying on any configuration files from the test author's
own home directory, (such as ${HOME}/.emacs or similar).

diff --git a/test/test-lib.sh b/test/test-lib.sh
index d9bb2541bdc907c877162628befc51de1ccc091b..28d14ef96aaa6965c5bbc8eedd963ad2928d5401 100644 (file)
--- a/test/test-lib.sh
+++ b/test/test-lib.sh
@@ -844,7 +844,8 @@ rm -fr "$test" || {
 }
 
 MAIL_DIR="${TMP_DIRECTORY}/mail"
-export NOTMUCH_CONFIG="${TMP_DIRECTORY}/notmuch-config"
+export HOME="${TMP_DIRECTORY}"
+export NOTMUCH_CONFIG="${HOME}/notmuch-config"
 
 mkdir -p "${test}"
 mkdir -p "${MAIL_DIR}"