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-rw-r--r--tests/coveragetest.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/coveragetest.py b/tests/coveragetest.py
index 08edd62f..d08c334e 100644
--- a/tests/coveragetest.py
+++ b/tests/coveragetest.py
@@ -84,6 +84,7 @@ class CoverageTest(
temp_dir_prefix = "coverage_test/"
# Keep the temp directories if the env says to.
+ # $set_env.py: COVERAGE_KEEP_TMP - Keep the temp directories made by tests.
keep_temp_dir = bool(int(os.getenv("COVERAGE_KEEP_TMP", 0)))
def setUp(self):