test: run abort tests

Currently, tests in test/abort do not run in CI.

This change configures the test runner to not write core files for abort
tests and to run them.

PR-URL: https://github.com/nodejs/node/pull/14013
Fixes: https://github.com/nodejs/node/issues/14012
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>

tools/test.py

@@ -492,6 +492,7 @@ class TestCase(object):
     self.arch = arch
     self.mode = mode
     self.parallel = False
+    self.disable_core_files = False
     self.thread_id = 0
 
   def IsNegative(self):
@@ -516,7 +517,8 @@ class TestCase(object):
     output = Execute(full_command,
                      self.context,
                      self.context.GetTimeout(self.mode),
-                     env)
+                     env,
+                     disable_core_files = self.disable_core_files)
     self.Cleanup()
     return TestOutput(self,
                       full_command,
@@ -718,7 +720,7 @@ def CheckedUnlink(name):
       PrintError("os.unlink() " + str(e))
     break
 
-def Execute(args, context, timeout=None, env={}, faketty=False):
+def Execute(args, context, timeout=None, env={}, faketty=False, disable_core_files=False):
   if faketty:
     import pty
     (out_master, fd_out) = pty.openpty()
@@ -740,6 +742,14 @@ def Execute(args, context, timeout=None, env={}, faketty=False):
   for key, value in env.iteritems():
     env_copy[key] = value
 
+  preexec_fn = None
+
+  if disable_core_files and not utils.IsWindows():
+    def disableCoreFiles():
+      import resource
+      resource.setrlimit(resource.RLIMIT_CORE, (0,0))
+    preexec_fn = disableCoreFiles
+
   (process, exit_code, timed_out, output) = RunProcess(
     context,
     timeout,
@@ -749,7 +759,8 @@ def Execute(args, context, timeout=None, env={}, faketty=False):
     stderr = fd_err,
     env = env_copy,
     faketty = faketty,
-    pty_out = pty_out
+    pty_out = pty_out,
+    preexec_fn = preexec_fn
   )
   if faketty:
     os.close(out_master)
@@ -1237,6 +1248,7 @@ class ClassifiedTest(object):
     self.case = case
     self.outcomes = outcomes
     self.parallel = self.case.parallel
+    self.disable_core_files = self.case.disable_core_files
 
 
 class Configuration(object):