diff --git a/src/main/java/tmltranslator/dsez3engine/OptimizationModel.java b/src/main/java/tmltranslator/dsez3engine/OptimizationModel.java
index 96ee9a13b36c87b9af3f1eed8aeec317b53e589d..917f6207441285c140e0682f06fb6bbfe08333d9 100644
--- a/src/main/java/tmltranslator/dsez3engine/OptimizationModel.java
+++ b/src/main/java/tmltranslator/dsez3engine/OptimizationModel.java
@@ -823,12 +823,7 @@ public class OptimizationModel {
 
     }
 
-
-    class TestFailedException extends Exception {
-        public TestFailedException() {
-            super("Check FAILED");
-        }
-    }
+    
 
 
 }
diff --git a/ttool/build.gradle b/ttool/build.gradle
index 502062b93e293401c7c20f6699002e286fd1edae..c23db901286b5a8552515070962a95b573324ea2 100644
--- a/ttool/build.gradle
+++ b/ttool/build.gradle
@@ -57,5 +57,5 @@ jar {
 mainClassName = 'Main'
 
 test {
-  testLogging.showStandardStreams = true
+  testLogging.showStandardStreams = false
 }