[Chapel Merge] Skip this test with --fast

Branch: refs/heads/main
Revision: 2b2693419b65e7388b66bf9adbbdbb2aa688c001
Author: lydia-duncan
Link: Skip this test with --fast by lydia-duncan · Pull Request #23966 · chapel-lang/chapel · GitHub
Log Message:
Skip this test with --fast (#23966)

The check this test validates doesn't run when --fast is used, so skip it

Verified the skipif worked in a fresh checkout

Compare: Comparing d3d409ee20a8c4a27a4cba9f9680026ceac70ff4...8a7ed9df4de701e5f3292533be4754e0eb67b6f4 · chapel-lang/chapel · GitHub

Diff:
A test/unstableAnonScript/specialCases/constArgs.skipif
https://github.com/chapel-lang/chapel/pull/23966.diff