[5.2] Test | Fixed some Azure managed identity authentication unit test failures#2735

DavoudEshtehari merged 1 commit intodotnet:release/5.2dotnet/SqlClient:release/5.2from

arellegue:5.2-Fixes-For-ManageIdentity-UnitTestsarellegue/SqlClient:5.2-Fixes-For-ManageIdentity-UnitTestsCopy head branch name to clipboard