diff --git a/tools/test/test-setup.sh b/tools/test/test-setup.sh
index 182507fcdb57e0..7b699d23436302 100755
--- a/tools/test/test-setup.sh
+++ b/tools/test/test-setup.sh
@@ -68,6 +68,10 @@ is_absolute "$TEST_TMPDIR" || TEST_TMPDIR="$PWD/$TEST_TMPDIR"
 is_absolute "$HOME" || HOME="$TEST_TMPDIR"
 is_absolute "$XML_OUTPUT_FILE" || XML_OUTPUT_FILE="$PWD/$XML_OUTPUT_FILE"
 
+# Enable JUnit output in test frameworks that need to detect Bazel
+BAZEL_XML_OUTPUT_FILE="$XML_OUTPUT_FILE"
+export BAZEL_XML_OUTPUT_FILE
+
 # Set USER to the current user, unless passed by Bazel via --test_env.
 if [[ -z "$USER" ]]; then
   export USER=$(whoami)