diff --git a/libraries/script-engine/src/v8/ScriptEngineV8_cast.cpp b/libraries/script-engine/src/v8/ScriptEngineV8_cast.cpp
index bf1ecf1aa7..10ad3e3936 100644
--- a/libraries/script-engine/src/v8/ScriptEngineV8_cast.cpp
+++ b/libraries/script-engine/src/v8/ScriptEngineV8_cast.cpp
@@ -460,7 +460,8 @@ bool ScriptEngineV8::castValueToVariant(const V8ScriptValue& v8Val, QVariant& de
                 }
                 // last chance, just convert it to a variant
                 // V8TODO
-                Q_ASSERT(false);
+                qDebug() << "Converting: " << *v8::String::Utf8Value(_v8Isolate, val->ToDetailString(getConstContext()).ToLocalChecked())
+                         << "to variant. Destination type: " << QMetaType::typeName(destTypeId);
                 //dest = val->ToVariant();
                 break;
         }
diff --git a/tests/script-engine/CMakeLists.txt b/tests/script-engine/CMakeLists.txt
index b6c9a184e8..7707d82a6b 100644
--- a/tests/script-engine/CMakeLists.txt
+++ b/tests/script-engine/CMakeLists.txt
@@ -1,8 +1,9 @@
 
 # Declare dependencies
 macro (setup_testcase_dependencies)
+  # V8TODO: replace most link_hifi_libraries with include_hifi_library_headers
   # link in the shared libraries
-  link_hifi_libraries(shared test-utils script-engine networking)
+  link_hifi_libraries(shared test-utils script-engine networking octree avatars entities model-networking material-networking model-serializers graphics gpu ktx shaders hfm image procedural)
 
   package_libraries_for_deployment()
 
diff --git a/tests/script-engine/src/ScriptEngineTests.cpp b/tests/script-engine/src/ScriptEngineTests.cpp
index 093ddb797f..8e65ebb36a 100644
--- a/tests/script-engine/src/ScriptEngineTests.cpp
+++ b/tests/script-engine/src/ScriptEngineTests.cpp
@@ -12,6 +12,8 @@
 #include "StatTracker.h"
 
 #include "NodeList.h"
+#include "../../../libraries/entities/src/EntityScriptingInterface.h"
+//#include "../../../libraries/entities/src/EntityScriptingInterface.h"
 
 QTEST_MAIN(ScriptEngineTests)
 
@@ -43,7 +45,7 @@ void ScriptEngineTests::initTestCase() {
     DependencyManager::set<ResourceRequestObserver>();
     DependencyManager::set<StatTracker>();
     DependencyManager::set<ScriptInitializers>();
-
+    DependencyManager::set<EntityScriptingInterface>(true);
 
     QSharedPointer<ScriptEngines> ac = DependencyManager::get<ScriptEngines>();
     QVERIFY(!ac.isNull());
@@ -75,8 +77,8 @@ void ScriptEngineTests::scriptTest() {
     QSharedPointer<ScriptEngines> ac = DependencyManager::get<ScriptEngines>();
     QVERIFY(!ac.isNull());
 
-
-    QDir testScriptsDir("tests");
+    // TODO: can we execute test scripts in serial way rather than parallel
+    /*QDir testScriptsDir("tests");
     QStringList testScripts = testScriptsDir.entryList(QStringList() << "*.js", QDir::Files);
     testScripts.sort();
 
@@ -84,14 +86,15 @@ void ScriptEngineTests::scriptTest() {
         script = "tests/" + script;
         qInfo() << "Running test script: " << script;
         ac->loadOneScript(script);
-    }
+    }*/
+    ac->loadOneScript("tests/script-engine/tests/003_vector_math.js");
 
     qDebug() << ac->getRunning();
 
-
-    while (true) {
+    // TODO: if I don't have infinite loop here, it exits before scripts finish. It also reports: QSignalSpy: No such signal: 'scriptCountChanged'
+    for (int n = 0; n > -1; n++) {
         QSignalSpy spy(ac.get(), SIGNAL(scriptCountChanged));
-        spy.wait(3000000);
+        spy.wait(1000);
         qDebug() << "Signal happened";
     }
     //spy.wait(5000);
diff --git a/tests/script-engine/src/tests/003_vector_math.js b/tests/script-engine/src/tests/003_vector_math.js
new file mode 100644
index 0000000000..b76b81798d
--- /dev/null
+++ b/tests/script-engine/src/tests/003_vector_math.js
@@ -0,0 +1,4 @@
+print(JSON.stringify(this));
+var v1 = { x: 1, y: 0, z: 0 };
+var v2 = { x: 1, y: 0, z: 0 };
+print(JSON.stringify(Vec3.sum(v1,v2)));