Exclude test_multiprocessing_fork and test_peepholer

Author: msimacek

graalpython/lib-python/3/test/conftest.toml

@@ -36,3 +36,13 @@ selector = [
     'test_multiprocessing_spawn',
     'test_multiprocessing_main_handling',
 ]
+
+
+[[test_rules]]
+exclude_on = ['graalpy']
+selector = [
+    # Tests for CPython-specific bytecode optimizations. Unapplicable to GraalPy and prone to breaking on random bytecode changes
+    'test_peepholer',
+    # We don't have fork, so although we pass surprisingly many tests in there, it's not going to cover anything useful
+    'test_multiprocessing_fork',
+]

mx.graalpython/mx_graalpython.py

@@ -519,8 +519,6 @@ def update_unittest_tags(args):
     darwin_tags = _fetch_tags_for_platform(parsed_args, 'darwin')
 
     tag_exclusions = [
-        # Tests for bytecode optimizations. We don't have the same bytecode, ignore the whole suite
-        'graalpython.lib-python.3.test.test_peepholer.*',
         # This test times out in the gate even though it succeeds locally and in the retagger. Race condition?
         'graalpython.lib-python.3.test.test_cprofile.CProfileTest.test_run_profile_as_module',
         # The following two try to read bytecode and fail randomly as our co_code is changing