integration-test: mention TEST_SAVE_JOURNAL in README

(cherry picked from commit 122779536254469ce55a31139985c7e5be434d79)

diff --git a/test/integration-tests/README.md b/test/integration-tests/README.md
index 12ef16d34e50712702dc01aa442f45520e1c64e0..0ab66b614e39c14b4c87307bc2659232d9eca001 100644 (file)
--- a/test/integration-tests/README.md
+++ b/test/integration-tests/README.md
@@ -131,6 +131,10 @@ that make use of `run_testcases`.
 
 `TEST_SKIP_TESTCASE=testcase`: takes a space separated list of testcases to skip.
 
+`TEST_SAVE_JOURNAL=0|1|fail`: When `0`, journal file will be removed on exit.
+When `1`, journal file will be saved at `$BUILD_DIR/test/journal`. When `fail`,
+journal file will be saved only when the test is failed. Defaults to `fail`.
+
 `TEST_JOURNAL_USE_TMP=1`: Write test journal to `/tmp` while the test is in
 progress and only move the journal to its final location in the build directory
 (`$BUILD_DIR/test/journal`) when the test is finished.