Arm backend: Include ioquantization pass test (#19930)

#8606 has been closed.

Signed-off-by: Sebastian Larsson <sebastian.larsson@arm.com>

Author: Sebastian-Larsson

backends/arm/test/targets.bzl

@@ -11,8 +11,6 @@ def define_arm_tests():
 
     # Passes
     test_files += native.glob(["passes/test_*.py"])
-    # https://github.com/pytorch/executorch/issues/8606
-    test_files.remove("passes/test_ioquantization_pass.py")
 
     # Operators
     test_files += [