Restricted columns in cursor compare #997

Describe the bug
Due to the nature of cursor comparison implementation, when comparing cursor containing one of column names:

• ITEM_DATA
• DATA_ID
• ITEM_NO
• DUP_NO
• POSITION

The cursor comparison fails.

Provide version info
utPLSQL v3.1.8

To Reproduce
This can be observed on 3.1.8 with following block:

set serverout on
declare
  l_actual   sys_refcursor;
  l_expected sys_refcursor;
begin
  open l_actual   for select * from all_arguments where rownum = 1;
  open l_expected for select * from all_arguments where rownum = 1;
  ut.expect(l_actual).to_equal(l_expected);
end;
/

Expected behavior

utPLSQL should not prevent column names that are commonly used / possible to use.

One idea would be to use quoted and more unusual names for internal columns in cursor compare: "UT3$_Item#Data"