feat: support Azure AD auth in e2e tests#659

dlevy-msft-sql merged 4 commits into

microsoft:mainmicrosoft/go-sqlcmd:mainfrom

dlevy-msft-sql:fix/e2e-sql-auth-skipdlevy-msft-sql/go-sqlcmd:fix/e2e-sql-auth-skipCopy head branch name to clipboard