Testing sudoers with multiple syntax errors

sudoers:1:20: syntax error
User_Alias A1 = u1 u2 : A2 = u3, u4
                   ^~
sudoers:3:26: syntax error
millert ALL = /fail : foo
                         ^
sudoers:5:16: syntax error
root ALL = ALL bar
               ^~~
sudoers:7:12: expected a fully-qualified path name
root ALL = baz
           ^~~

User_Alias A1 = u1

millert ALL = /fail