diag: Temporarily force joern_test/dicer_test to fail to surface the nested bazel console

Author: bor-p-s

test/community_build/downstream_test_driver.sh

@@ -244,6 +244,15 @@ done
 #
 # shellcheck disable=SC2086 # intentional word-splitting: extra_bazel_flags
 # and targets are each meant to expand to multiple words/patterns.
+nested_test_status=0
 nested_bazel_run test --test_output=errors --cache_test_results=no \
   --repo_env=SCALA_VERSION="${scala_version}" \
-  ${extra_bazel_flags} -- "${targets[@]}"
+  ${extra_bazel_flags} -- "${targets[@]}" || nested_test_status="$?"
+
+# TEMPORARY diagnostic for the nested-remote-cache experiment: force this
+# sh_test to fail unconditionally so the outer `--test_output=errors` prints
+# everything above, including the nested `bazel test`'s own summary line
+# ("N remote cache hit") that a passing run would otherwise swallow. Revert
+# once the cache-hit question is answered.
+echo "DIAGNOSTIC: nested test exit status was ${nested_test_status}; forcing failure to surface the nested bazel console above." >&2
+exit 1