Add a different log file for each `meson test`

Each run of `meson test` overwrites the default log file testlog.txt,
this means we lose the backtraces of previous run. This commit assigns
a different log file for each run.

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d7ef028700204606f0d3a6fc5abc320ee1315d3f..62cfec1eb45c832ed9cd6c39bf3e2012ee3a3a2b 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -488,7 +488,7 @@ stages:
     - RET=0
     - meson test -C build --no-rebuild --no-suite flaky || RET=1
     - cp build/meson-logs/testlog.junit.xml $CI_PROJECT_DIR/junit.xml
-    - meson test -C build --no-rebuild --suite flaky || meson test -C build --no-rebuild --suite flaky || RET=1
+    - meson test -C build --no-rebuild --suite flaky  --logbase testlog-flaky || meson test -C build --no-rebuild --suite flaky --logbase testlog-flaky || RET=1
     - *check_for_junit_xml
     - (exit $RET)
     - test "$CLEAN_BUILD_ARTIFACTS_ON_SUCCESS" -eq 0 || ninja -C build clean >/dev/null 2>&1