add shebang for test script (#2206)
add shebang for test script (#2206)

add shebang for test script
Signed-off-by: alan <388e0d6e7f3ed3c7ca3453b6a860dd73d86670d6@daocloud.io>
GoogleCloudPlatform/alertmanager,prometheus/alertmanager,prometheus/alertmanager,prometheus/alertmanager,GoogleCloudPlatform/alertmanager,GoogleCloudPlatform/alertmanager,GoogleCloudPlatform/alertmanager,prometheus/alertmanager