Tag MRI tests that fail on Darwin.

Author: nirvdrum

test/mri/excludes/TestModule.rb

@@ -1,4 +1,5 @@
 exclude :test_alias, "needs investigation"
+exclude :test_ancestors, "fails on Darwin in CI"
 exclude :test_attr, "needs investigation"
 exclude :test_bad_constants_get, "needs investigation"
 exclude :test_const_defined_invalid_name, "needs investigation"
@@ -9,6 +10,7 @@
 exclude :test_deprecate_nil_constant, "needs investigation"
 exclude :test_include_module_with_constants_does_not_invalidate_method_cache, "needs investigation"
 exclude :test_include_with_no_args, "needs investigation"
+exclude :test_included_modules, "fails on Darwin in CI"
 exclude :test_initialize_copy_empty, "needs investigation"
 exclude :test_inspect_segfault, "needs investigation"
 exclude :test_invalid_attr, "needs investigation"

test/mri/excludes/TestRubyOptimization.rb

@@ -27,3 +27,4 @@
 exclude :test_peephole_dstr, "needs investigation"
 exclude :test_peephole_optimization_without_trace, "needs investigation"
 exclude :test_peephole_string_literal_range, "needs investigation"
+exclude :test_fixnum_or, "spurious failure in CI"

test/mri/excludes/TestSocketAncData.rb

@@ -0,0 +1 @@
+exclude :test_ipv6_pktinfo, "fails on Darwin in CI"

test/mri/excludes/TestSocket_UNIXSocket.rb

@@ -5,6 +5,7 @@
 exclude :test_autobind, "needs investigation"
 exclude :test_cloexec, "needs investigation"
 exclude :test_getcred_ucred, "needs investigation"
+exclude :test_getcred_xucred, "fails on Darwin in CI"
 exclude :test_socket_pair_with_block, "needs investigation"
 exclude :test_abstract_unix_server, "needs investigation"
 exclude :test_dgram_pair, "needs investigation"

test/mri/excludes/TestWEBrickHTTPProxy.rb

@@ -1,2 +1,3 @@
 exclude :test_upstream_proxy, "needs investigation"
 exclude :test_connect, "needs investigation"
+exclude :test_big_bodies, "fails on Darwin in CI"