--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/profiles/SeparateClassloaderTestRunner.java	Wed Jan 06 13:52:35 2016 +0100
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.api.profiles;
+
+import java.net.URLClassLoader;
+import org.junit.runners.BlockJUnit4ClassRunner;
+import org.junit.runners.model.InitializationError;
+
+public final class SeparateClassloaderTestRunner extends BlockJUnit4ClassRunner {
+    public SeparateClassloaderTestRunner(Class<?> clazz) throws InitializationError {
+        super(getFromTestClassloader(clazz));
+    }
+
+    private static Class<?> getFromTestClassloader(Class<?> clazz) throws InitializationError {
+        try {
+            ClassLoader testClassLoader = new TestClassLoader();
+            return Class.forName(clazz.getName(), true, testClassLoader);
+        } catch (ClassNotFoundException e) {
+            throw new InitializationError(e);
+        }
+    }
+
+    public static final class Theories extends org.junit.experimental.theories.Theories {
+        public Theories(Class<?> clazz) throws InitializationError {
+            super(getFromTestClassloader(clazz));
+        }
+    }
+
+    private static class TestClassLoader extends URLClassLoader {
+        public TestClassLoader() {
+            super(((URLClassLoader) getSystemClassLoader()).getURLs());
+        }
+
+        @Override
+        public Class<?> loadClass(String name) throws ClassNotFoundException {
+            if (name.startsWith(Profile.class.getPackage().getName())) {
+                return super.findClass(name);
+            }
+            return super.loadClass(name);
+        }
+    }
+
+}