`git clone` fails on Windows

[reverofevil]

At current master (5afe42e) there are several test files with colliding names, and several with overly long names.

error: unable to create file tests/baselines/reference/tscWatch/emitAndErrorUpdates/incremental/assumeChangesOnlyAffectDirectDependenciesAndD/updates-errors-when-file-transitively-exported-file-changes/when-there-are-circular-import-and-exports.js: Filename too long
error: unable to create file tests/baselines/reference/tscWatch/emitAndErrorUpdates/incremental/assumeChangesOnlyAffectDirectDependenciesAndD/updates-errors-when-file-transitively-exported-file-changes/when-there-are-no-circular-import-and-exports.js: Filename too long

warning: the following paths have collided (e.g. case-sensitive paths
on a case-insensitive filesystem) and only one from the same
colliding group is in the working tree:

  'tests/baselines/reference/typeOfThis.errors.txt'
  'tests/baselines/reference/typeofThis.errors.txt'
  'tests/baselines/reference/typeOfThis.js'
  'tests/baselines/reference/typeofThis.js'
  'tests/baselines/reference/typeOfThis.symbols'
  'tests/baselines/reference/typeofThis.symbols'
  'tests/baselines/reference/typeOfThis.types'
  'tests/baselines/reference/typeofThis.types'

[reverofevil]

Introduced in #43695 and #43898

@sheetalkamat @Zzzen

[IllusionMH]

Also related #38998

[Zzzen]

Path collisions can be fixed by simply renaming to typeofThis2.