allow running adhoc interop matrix tests
diff --git a/tools/internal_ci/linux/grpc_interop_matrix.sh b/tools/internal_ci/linux/grpc_interop_matrix.sh
index 4c24c43..fea365e 100755
--- a/tools/internal_ci/linux/grpc_interop_matrix.sh
+++ b/tools/internal_ci/linux/grpc_interop_matrix.sh
@@ -22,4 +22,4 @@
source tools/internal_ci/helper_scripts/prepare_build_linux_rc
-tools/interop_matrix/run_interop_matrix_tests.py --language=all --release=all --allow_flakes --report_file=sponge_log.xml --bq_result_table interop_results $@
+tools/interop_matrix/run_interop_matrix_tests.py $RUN_TESTS_FLAGS
\ No newline at end of file