diff --git a/interface/src/scripting/TestScriptingInterface.cpp b/interface/src/scripting/TestScriptingInterface.cpp
index 8bc601ec83..3d9e84ce63 100644
--- a/interface/src/scripting/TestScriptingInterface.cpp
+++ b/interface/src/scripting/TestScriptingInterface.cpp
@@ -14,6 +14,7 @@
 #include <DependencyManager.h>
 #include <Trace.h>
 #include <StatTracker.h>
+#include <OffscreenUi.h>
 
 #include "Application.h"
 
@@ -54,24 +55,20 @@ void TestScriptingInterface::waitIdle() {
 }
 
 bool TestScriptingInterface::loadTestScene(QString scene) {
-    // FIXME implement
-    //    qApp->postLambdaEvent([isClient] {
-    //        auto tree = qApp->getEntityClipboard();
-    //        tree->setIsClient(isClient);
-    //    });
-    /*
-    Test.setClientTree(false);
-    Resources.overrideUrlPrefix("atp:/", TEST_BINARY_ROOT + scene + ".atp/");
-    if (!Clipboard.importEntities(TEST_SCENES_ROOT + scene + ".json")) {
-    return false;
-    }
-    var position = { x: 0, y: 0, z: 0 };
-    var pastedEntityIDs = Clipboard.pasteEntities(position);
-    for (var id in pastedEntityIDs) {
-    print("QQQ ID imported " + id);
-    }
-    */
-    return false;
+    static const QString TEST_ROOT = "https://raw.githubusercontent.com/highfidelity/hifi_tests/master/";
+    static const QString TEST_BINARY_ROOT = "https://hifi-public.s3.amazonaws.com/test_scene_data/";
+    static const QString TEST_SCRIPTS_ROOT = TEST_ROOT + "scripts/";
+    static const QString TEST_SCENES_ROOT = TEST_ROOT + "scenes/";
+    return DependencyManager::get<OffscreenUi>()->returnFromUiThread([scene]()->QVariant {
+        ResourceManager::setUrlPrefixOverride("atp:/", TEST_BINARY_ROOT + scene + ".atp/");
+        auto tree = qApp->getEntities()->getTree();
+        auto treeIsClient = tree->getIsClient();
+        // Force the tree to accept the load regardless of permissions
+        tree->setIsClient(false);
+        auto result = tree->readFromURL(TEST_SCENES_ROOT + scene + ".json");
+        tree->setIsClient(treeIsClient);
+        return result;
+    }).toBool();
 }
 
 bool TestScriptingInterface::startTracing(QString logrules) {