Fix typo

ace-n · ace-n · commit 78e4be08e5de · 2021-03-30T17:10:09.000-07:00
diff --git a/.kokoro/system_tests.sh b/.kokoro/system_tests.sh
@@ -71,4 +71,4 @@ if [[ -z "${SUB_DIRECTORY}" ]]; then
 fi
 
 # Run tests
-bash MAIN_DIR/testing/run_test_suite.sh
+bash $MAIN_DIR/testing/run_test_suite.sh
