provide isolated child classloader to address issue:

aspectj tests are not runnable due to wrong classloader setup #42
Conflicts:
	org.scala-ide.sdt.scalatest/src/scala/tools/eclipse/scalatest/launching/ScalaTestLauncher.scala

Author: Andrei-Pozolotin

.gitignore

@@ -0,0 +1,6 @@
+
+.project
+.settings/
+.classpath
+bin/
+

org.scala-ide.sdt.scalatest/src/scala/tools/eclipse/scalatest/launching/ScalaTestLauncher.scala

@@ -9,13 +9,10 @@ object ScalaTestLauncher {
   def main(args: Array[String]) {
     try {
       val classpath = Source.fromFile(args(0)).getLines()
+      val urls = classpath.map { cp => new File(cp.toString).toURI.toURL }.toArray
+      val loader = new URLClassLoader(urls, ClassLoader.getSystemClassLoader)
 
-      val loader = ClassLoader.getSystemClassLoader
-      val method= classOf[URLClassLoader].getDeclaredMethod("addURL", classOf[URL]); //$NON-NLS-1$
-      method.setAccessible(true);
-      classpath.foreach(cp => method.invoke(loader, new File(cp).toURI.toURL))
-
-      val runnerClass = Class.forName("org.scalatest.tools.Runner")
+      val runnerClass =  loader.loadClass("org.scalatest.tools.Runner")
       val mainMethod = runnerClass.getMethod("main", args.getClass()) //$NON-NLS-1$
       mainMethod.setAccessible(true)
       mainMethod.invoke(null, Source.fromFile(args(1)).getLines().toArray)
@@ -31,4 +28,4 @@ object ScalaTestLauncher {
     }
   }
 
-}
+}