Fix CustomScriptExtension tests
Fix for parallel test run
Fix CustomScript extension test bug
Try to fix a concurrency problem of New-AzureVMConfig
Fix tests
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into dev
fix bvt tests
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into images
fix test
Merge branch 'images' of https://github.com/huangpf/azure-sdk-tools into images
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into images