From 4219303cb85c5f892c548b129d6350a20df51518 Mon Sep 17 00:00:00 2001
From: Li Haoyi <haoyi.sg@gmail.com>
Date: Sun, 26 Nov 2017 13:58:24 -0800
Subject: Isolate TestRunner classloader to try and get AcyclicTests working...

---
 scalaplugin/src/main/scala/mill/scalaplugin/TestRunner.scala | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'scalaplugin/src/main')

diff --git a/scalaplugin/src/main/scala/mill/scalaplugin/TestRunner.scala b/scalaplugin/src/main/scala/mill/scalaplugin/TestRunner.scala
index 2d0495e4..09e41a74 100644
--- a/scalaplugin/src/main/scala/mill/scalaplugin/TestRunner.scala
+++ b/scalaplugin/src/main/scala/mill/scalaplugin/TestRunner.scala
@@ -43,7 +43,9 @@ object TestRunner {
             testClassfilePath: Seq[Path],
             args: Seq[String]): mill.eval.Result[Unit] = {
     val outerClassLoader = getClass.getClassLoader
-    val cl = new URLClassLoader(entireClasspath.map(_.toIO.toURI.toURL).toArray){
+    val cl = new URLClassLoader(
+      entireClasspath.map(_.toIO.toURI.toURL).toArray,
+      ClassLoader.getSystemClassLoader().getParent()){
       override def findClass(name: String) = {
         if (name.startsWith("sbt.testing.")){
           outerClassLoader.loadClass(name)
-- 
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