Move MultiContextCExtTest to run in its own process

Author: timfel

graalpython/com.oracle.graal.python.test.integration/src/org/graalvm/python/embedding/utils/test/integration/MultiContextCExtTest.java renamed to graalpython/com.oracle.graal.python.test/src/org/graalvm/python/embedding/cext/test/MultiContextCExtTest.java

@@ -39,7 +39,7 @@
  * SOFTWARE.
  */
 
-package org.graalvm.python.embedding.utils.test.integration;
+package org.graalvm.python.embedding.cext.test;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -127,7 +127,12 @@ private static Path createVenv(TestLog log, String... packages) throws IOExcepti
         var tmpdir = Files.createTempDirectory("graalpytest");
         deleteDirOnShutdown(tmpdir);
         var venvdir = tmpdir.resolve("venv");
-        VFSUtils.createVenv(venvdir, Arrays.asList(packages), tmpdir.resolve("graalpy.exe"), () -> getClasspath(), "", log, log);
+        try {
+            VFSUtils.createVenv(venvdir, Arrays.asList(packages), tmpdir.resolve("graalpy.exe"), () -> getClasspath(), "", log, log);
+        } catch (RuntimeException e) {
+            System.err.println(getClasspath());
+            throw e;
+        }
         return venvdir;
     }
 

mx.graalpython/mx_graalpython.py

@@ -405,6 +405,9 @@ def __str__(self):
     configs += [
         TestConfig(vm_args + graalpy_tests + args, True),
         TestConfig(vm_args + graalpy_tests + args, False),
+        # MultiContext cext tests should run by themselves so they aren't influenced by others
+        TestConfig(vm_args + ['org.graalvm.python.embedding.cext.test'] + args + ["--use-graalvm"], True),
+        TestConfig(vm_args + ['org.graalvm.python.embedding.cext.test'] + args + ["--use-graalvm"], False),
         # TCK suite is not compatible with the PythonMxUnittestConfig,
         # so it must have its own run and the useResources config is ignored
         TestConfig(vm_args + ['com.oracle.truffle.tck.tests'] + args, False),