diff --git a/Lambdas/Lists/List/target/artifacts/Lists_jar/Lists.jar b/Lambdas/Lists/List/target/artifacts/Lists_jar/Lists.jar
index 10f0103..d347f7d 100644
Binary files a/Lambdas/Lists/List/target/artifacts/Lists_jar/Lists.jar and b/Lambdas/Lists/List/target/artifacts/Lists_jar/Lists.jar differ
diff --git a/Lambdas/Lists/List/test/TestListAdder.java b/Lambdas/Lists/List/test/TestListAdder.java
index 9ef83ad..f933421 100644
--- a/Lambdas/Lists/List/test/TestListAdder.java
+++ b/Lambdas/Lists/List/test/TestListAdder.java
@@ -63,6 +63,16 @@ public class TestListAdder {
         Map<String, Object> ignore = new HashMap<>();
         Map<String, Object> body = TestInputUtils.addBody(ignore);
         body.put("name", "aname");
+        try {
+            Object rawIDReturn  = listAdder.conductAction(body, TestInputUtils.addQueryParams(ignore), "cognitoID");
+            if (!(rawIDReturn.getClass() == Integer.class)) {
+                assert false;
+                return;
+            }
+        } catch(SQLException throwables) {
+            assert shouldThrow;
+            throwables.printStackTrace();
+        }
         if(injector.getStatementString() == null) {
             assert(false);
             return;
diff --git a/Lambdas/Lists/List/test/TestListDelete.java b/Lambdas/Lists/List/test/TestListDelete.java
index 162b56a..240261b 100644
--- a/Lambdas/Lists/List/test/TestListDelete.java
+++ b/Lambdas/Lists/List/test/TestListDelete.java
@@ -1,4 +1,9 @@
 import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+
+import static org.mockito.Mockito.*;
+
 
 import java.security.AccessControlException;
 import java.sql.SQLException;
@@ -16,7 +21,7 @@ public class TestListDelete {
 
     @Test
     public void testListDeleterError() {
-        testListDeleterCore(true, true);
+        testListDeleterCoreMock(true, true);
     }
 
     public void testListDeleterCore(boolean shouldThrow, boolean hasAccess) {
@@ -50,4 +55,38 @@ public class TestListDelete {
             assert !hasAccess;
         }
     }
+
+    public void testListDeleterCoreMock(boolean shouldThrow, boolean hasAccess) {
+        StatementInjector injector;
+        ArrayList<Object> rsReturns = new ArrayList<>();
+        rsReturns.add("cognitoID");
+        try {
+            if (!hasAccess) {
+                rsReturns = null;
+            }
+            injector = new StatementInjector(null, rsReturns, shouldThrow);
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+            assert false; //Error in test infrastructure
+            return;
+        }
+        
+        ListDeleter testMock = Mockito.spy(new ListDeleter(injector, "cognitoID"));
+
+        Map<String, Object> body = (Map<String, Object>) TestBasicHandler.buildFullSampleMap().get("body");
+        HashMap<String, String> queryParams = (HashMap<String, String>) TestBasicHandler.buildFullSampleMap().get("body");
+        queryParams.put("id", "30");
+
+        try {
+            when(testMock.conductAction(body, queryParams, "cognitoID")).thenReturn(shouldThrow);
+            Object rawIDReturn = testMock.conductAction(body, queryParams, "cognitoID");
+            assert !shouldThrow;
+            assert (rawIDReturn == null);
+            assert (injector.getStatementString().equals("SELECT * FROM List WHERE (owner = ? AND listID = ?);DELETE FROM ListSharee where listID = ?;DELETE FROM ListProduct where listID = ?;DELETE FROM List WHERE listID = ?;[30]"));
+        } catch (SQLException throwables) {
+            assert shouldThrow ;
+        } catch (AccessControlException accessControlException) {
+            assert !hasAccess;
+        }
+    }
 }