python3Packages.pysnooper: disable timing-sensitive test on all Darwin

The `test_relative_time` test was only disabled on x86_64-darwin but
also fails on aarch64-darwin due to the same timing sensitivity.
Disable it on all Darwin platforms.

pkgs/development/python-modules/pysnooper/default.nix

@@ -23,8 +23,8 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [ pytestCheckHook ];
 
-  disabledTests = lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64) [
-    # timing-sensitive and often breaks on x86_64-darwin
+  disabledTests = lib.optionals stdenv.hostPlatform.isDarwin [
+    # timing-sensitive and often breaks on Darwin
     "test_relative_time"
   ];