[mlir] Fix tests after Chris implemented string escaping in MLIR

We don't need to C-escape any more, so don't. Also, change the expected escaping syntax to be the slightly noisier version that LLVM emits.

PiperOrigin-RevId: 208989483
1 file changed
tree: f2e24ad92abb48c114c36f1d74fb59cb6d7e2d20
  1. include/
  2. lib/
  3. test/
  4. tools/
  5. utils/
  6. .clang-format
  7. LICENSE.TXT