lzhecheng: [release-1.0][e2e] Improve pls and azure-pip-tags tests

JobBuild
1753
05-23 01:09
pull-cloud-provider-azure-check-1-21 1528641889002065920 1528543451094716416
pull-cloud-provider-azure-e2e-ccm-capz-1-21 1528672768772542464 1528641889115312128 1528543451254099968
pull-cloud-provider-azure-e2e-ccm-vmss-1-21 1528641889073369088 1528543451182796800
pull-cloud-provider-azure-e2e-ccm-vmss-basic-lb-1-21 1528641889035620352 1528543451140853760
pull-cloud-provider-azure-e2e-ccm-vmss-capz-1-21 1528586101571194880 1528543451220545536