Make test_posix and test_subprocess run serially

Author: msimacek

graalpython/com.oracle.graal.python.test/src/graalpytest.py

@@ -57,6 +57,8 @@
     # test_import tests various behaviors related to __pycache__ directory,
     # it can interfere with other tests that generate code
     'test_import',
+    'test_subprocess',
+    'test_posix',
 ]
 
 

graalpython/lib-python/3/test/test_posix.py

@@ -811,7 +811,6 @@ def test_listdir_bytes_like(self):
             for name in names:
                 self.assertIs(type(name), bytes)
 
-    @support.impl_detail("[GR-30188] interferes with other tests executed concurrently", graalvm=False)
     @unittest.skipUnless(posix.listdir in os.supports_fd,
                          "test needs fd support for posix.listdir()")
     def test_listdir_fd(self):

graalpython/lib-python/3/test/test_subprocess.py

@@ -2373,7 +2373,6 @@ def test_bytes_program(self):
         exitcode = subprocess.call([program]+args, env=envb)
         self.assertEqual(exitcode, 0)
 
-    @support.impl_detail("[GR-30188] may cause transient failures when executed concurrently", graalvm=False)
     def test_pipe_cloexec(self):
         sleeper = support.findfile("input_reader.py", subdir="subprocessdata")
         fd_status = support.findfile("fd_status.py", subdir="subprocessdata")
@@ -2439,7 +2438,6 @@ def kill_p2():
         p1.stdout.close()
         p2.stdout.close()
 
-    @support.impl_detail("[GR-30188] may cause transient failures when executed concurrently", graalvm=False)
     def test_close_fds(self):
         fd_status = support.findfile("fd_status.py", subdir="subprocessdata")
 
@@ -2488,7 +2486,6 @@ def test_close_fds(self):
         self.assertIn(1, remaining_fds, "Subprocess failed")
 
 
-    @support.impl_detail("[GR-30188] may cause transient failures when executed concurrently", graalvm=False)
     @unittest.skipIf(sys.platform.startswith("freebsd") and
                      os.stat("/dev").st_dev == os.stat("/dev/fd").st_dev,
                      "Requires fdescfs mounted on /dev/fd on FreeBSD.")
@@ -2572,7 +2569,6 @@ def test_close_fds_when_max_fd_is_lowered(self):
     # descriptor of a pipe closed in the parent process is valid in the
     # child process according to fstat(), but the mode of the file
     # descriptor is invalid, and read or write raise an error.
-    @support.impl_detail("[GR-30188] may cause transient failures when executed concurrently", graalvm=False)
     @support.requires_mac_ver(10, 5)
     def test_pass_fds(self):
         fd_status = support.findfile("fd_status.py", subdir="subprocessdata")
@@ -2607,7 +2603,6 @@ def test_pass_fds(self):
                         close_fds=False, pass_fds=(fd, )))
             self.assertIn('overriding close_fds', str(context.warning))
 
-    @support.impl_detail("[GR-30188] may cause transient failures when executed concurrently", graalvm=False)
     def test_pass_fds_inheritable(self):
         script = support.findfile("fd_status.py", subdir="subprocessdata")
 
@@ -2638,7 +2633,6 @@ def test_pass_fds_inheritable(self):
     # bpo-32270: Ensure that descriptors specified in pass_fds
     # are inherited even if they are used in redirections.
     # Contributed by @izbyshev.
-    @support.impl_detail("[GR-30188] may cause transient failures when executed concurrently", graalvm=False)
     def test_pass_fds_redirected(self):
         """Regression test for https://bugs.python.org/issue32270."""
         fd_status = support.findfile("fd_status.py", subdir="subprocessdata")