export DOCKER_IMAGES_VERSION=${DOCKER_IMAGES_VERSION:-21}
export TESTS_HIVE_VERSION_MAJOR=${TESTS_HIVE_VERSION_MAJOR:-1}
export HADOOP_BASE_IMAGE=${HADOOP_BASE_IMAGE:-"prestodev/hdp2.6-hive"}

export DOCKER_IMAGES_VERSION=${DOCKER_IMAGES_VERSION:-22}
export TESTS_HIVE_VERSION_MAJOR=${TESTS_HIVE_VERSION_MAJOR:-1}
export HADOOP_BASE_IMAGE=${HADOOP_BASE_IMAGE:-"prestodev/hdp2.6-hive"}

Update docker images version to 22
Update docker images version to 22
