Adding Data, DataObject, FileDrop and Text tests to ClipboardCoreTests

[LeafShi1]

Related #13331

Proposed changes

• Adding Data, DataObject, FileDrop and Text tests to ClipboardCoreTests

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 76.69074%. Comparing base (08485db) to head (ae954c4). Report is 14 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main      #13645         +/-   ##
===================================================
+ Coverage   76.60828%   76.69074%   +0.08246%     
===================================================
  Files           3253        3255          +2     
  Lines         640996      641599        +603     
  Branches       47439       47490         +51     
===================================================
+ Hits          491056      492047        +991     
+ Misses        146290      145888        -402     
- Partials        3650        3664         +14     

Flag	Coverage Δ
Debug	76.69074% <ø> (+0.08246%)	:arrow_up:
integration	18.98826% <ø> (-0.00558%)	:arrow_down:
production	51.20523% <ø> (+0.13622%)	:arrow_up:
test	97.41503% <ø> (+0.00328%)	:arrow_up:
unit	48.58591% <ø> (+0.13901%)	:arrow_up:

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[LeafShi1]

@JeremyKuhne Please help review this PR.

Currently all SimpleTests have been added to ClipboardCoreTests. Do the remaining cases need to be moved here? Currently unimplemented, such as tests related to JsonDataObject and UntypedDataObject