[llvm-branch-commits] [mlir] [mlir][cmake] Add missing MLIRTestDialect dependencies (PR #125834)

[David Spickett via llvm-branch-commits]

DavidSpickett wrote:

These would be clean cherry-picks but I put them into one commit so I could include the details of what it fixes. I hope that's ok.

https://github.com/llvm/llvm-project/pull/125834