Vebosely test, but quietly build datastore test.
Vebosely test, but quietly build datastore test.

Change-Id: I634e0fdfccc2e75b729f1b1c734d0dfea834cc48

GoogleCloudPlatform/dotnet-docs-samples,GoogleCloudPlatform/dotnet-docs-samples,jsimonweb/csharp-docs-samples,jsimonweb/csharp-docs-samples,jsimonweb/csharp-docs-samples,jsimonweb/csharp-docs-samples,GoogleCloudPlatform/dotnet-docs-samples,GoogleCloudPlatform/dotnet-docs-samples