diff --git a/lib/SCROLL b/lib/SCROLL
index 6d69b3575c3e31ca383798eb6660a1a7b5067cc7..623765816af6d27387efb82dfb890bc4318c58a2 160000
--- a/lib/SCROLL
+++ b/lib/SCROLL
@@ -1 +1 @@
-Subproject commit 6d69b3575c3e31ca383798eb6660a1a7b5067cc7
+Subproject commit 623765816af6d27387efb82dfb890bc4318c58a2
diff --git a/src/main/scala/org/rosi_project/model_sync/generator/conversion/SModelGeneratorTest.scala b/src/main/scala/org/rosi_project/model_sync/generator/conversion/SModelGeneratorTest.scala
index fc8987d44499a7a352b0974bb2785e3180d569d1..a10220112001e3e74c695edeb35fe8bc2edf3512 100644
--- a/src/main/scala/org/rosi_project/model_sync/generator/conversion/SModelGeneratorTest.scala
+++ b/src/main/scala/org/rosi_project/model_sync/generator/conversion/SModelGeneratorTest.scala
@@ -7,7 +7,7 @@ import scroll.internal.ecore.ECoreImporter
 /**
   * @author Rico Bergmann
   */
-object SModelGeneratorTest extends App {
+object SModelGeneratorTest/* extends App */{
 
   val importer = new ECoreImporter {
     def lm(): Resource = loadModel()
diff --git a/src/main/scala/org/rosi_project/model_sync/generator/io/SClassWriterTest.scala b/src/main/scala/org/rosi_project/model_sync/generator/io/SClassWriterTest.scala
index 418f9453b43273477baa505fd45edbc310c79b9c..ecd08594aa7bbbc833bfd3cce000799776201c36 100644
--- a/src/main/scala/org/rosi_project/model_sync/generator/io/SClassWriterTest.scala
+++ b/src/main/scala/org/rosi_project/model_sync/generator/io/SClassWriterTest.scala
@@ -6,7 +6,7 @@ import org.rosi_project.model_sync.generator.sync_model.{GetterSetterGeneratingV
 /**
   * @author Rico Bergmann
   */
-object SClassWriterTest extends App {
+object SClassWriterTest/* extends App */{
 
   val stringType = SType("String")
   val attrs = Seq(SAttribute("name", stringType))
diff --git a/src/main/scala/org/rosi_project/model_sync/generator/io/SModelFSWriterTest.scala b/src/main/scala/org/rosi_project/model_sync/generator/io/SModelFSWriterTest.scala
index 57351db86d1378ee2bbd4771c36b66b9782e5811..461367d73a1eb5fa3f9a65a831690811fea2d185 100644
--- a/src/main/scala/org/rosi_project/model_sync/generator/io/SModelFSWriterTest.scala
+++ b/src/main/scala/org/rosi_project/model_sync/generator/io/SModelFSWriterTest.scala
@@ -6,7 +6,7 @@ import scala.reflect.io.File
 
 /** @author Rico Bergmann
   */
-object SModelFSWriterTest extends App {
+object SModelFSWriterTest/* extends App */{
 
   val model = new SimpleSModel("org.foo")