Update window function test plans to enable tests for supported functionality

[yashmayya]

• Updates the existing window function test plans to take into account changes from Add support for defining custom window frame bounds for window functions #14273 and Add IGNORE NULLS option to FIRST_VALUE and LAST_VALUE window functions #14264

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (59551e4) to head (7bc6026).
Report is 1325 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (59551e4) and HEAD (7bc6026). Click for more details.

HEAD has 53 uploads less than BASE

Flag	BASE (59551e4)	HEAD (7bc6026)
integration	7	1
integration2	3	1
temurin	12	1
java-21	7	1
skip-bytebuffers-true	3	0
skip-bytebuffers-false	7	1
unittests	5	0
unittests1	2	0
java-11	5	0
unittests2	3	0
integration1	2	0
custom-integration1	2	0

Additional details and impacted files

@@              Coverage Diff              @@
##             master   #14449       +/-   ##
=============================================
- Coverage     61.75%    0.00%   -61.76%     
=============================================
  Files          2436        3     -2433     
  Lines        133233        6   -133227     
  Branches      20636        0    -20636     
=============================================
- Hits          82274        0    -82274     
+ Misses        44911        6    -44905     
+ Partials       6048        0     -6048     

Flag	Coverage Δ
custom-integration1	?
integration	0.00% <ø> (-0.01%)	⬇️
integration1	?
integration2	0.00% <ø> (ø)
java-11	?
java-21	0.00% <ø> (-61.63%)	⬇️
skip-bytebuffers-false	0.00% <ø> (-61.75%)	⬇️
skip-bytebuffers-true	?
temurin	0.00% <ø> (-61.76%)	⬇️
unittests	?
unittests1	?
unittests2	?

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