[internal] add failing test for FrozenDict equality issue (#13389)
[internal] add failing test for FrozenDict equality issue (#13389)

Add a failing test which shows that FrozenDict's do not compare equally with the same elements but different insertion orders.

[ci skip-rust]
pantsbuild/pants,benjyw/pants,pantsbuild/pants,benjyw/pants,pantsbuild/pants,benjyw/pants,pantsbuild/pants,benjyw/pants,pantsbuild/pants,benjyw/pants,benjyw/pants,pantsbuild/pants,benjyw/pants,pantsbuild/pants