add runTestsWithSqlInMemory.ps1.
add runTestsWithSqlInMemory.ps1.

Change-Id: Ie14e661b0503b4291cf5a6b465a135c85e10dffc

GoogleCloudPlatform/getting-started-dotnet,GoogleCloudPlatform/getting-started-dotnet,GoogleCloudPlatform/getting-started-dotnet