Correct Kokoro scripts
@ -37,4 +37,4 @@ git submodule update --init
# download docker images from dockerhub
export DOCKERHUB_ORGANIZATION=grpctesting
tools/run_tests/run_tests_matrix.sh -f sanitizers linux
tools/run_tests/run_tests_matrix.py -f sanitizers linux
tools/run_tests/run_tests_matrix.sh -f portability linux
tools/run_tests/run_tests_matrix.py -f portability linux
tools/run_tests/run_tests_matrix.sh -f portability linux --build_only
tools/run_tests/run_tests_matrix.py -f portability linux --build_only