Updated README to use TEST_INFRA_GKE_AUTH (#360)
Updated README to use TEST_INFRA_GKE_AUTH (#360)

Signed-off-by: Hrishikesh Barman <0c999f59ffc218332a01ba4bc95df4d1eddc6396@gmail.com>
prometheus/prombench,prometheus/prombench,prometheus/prombench