diff --git a/Sources/Model/Games/Turn.cs b/Sources/Model/Games/Turn.cs
index 0385c16..7b2abca 100644
--- a/Sources/Model/Games/Turn.cs
+++ b/Sources/Model/Games/Turn.cs
@@ -68,6 +68,10 @@ namespace Model.Games
             {
                 throw new ArgumentNullException(nameof(diceNFaces), "param should not be null");
             }
+            if (diceNFaces.Count == 0)
+            {
+                throw new ArgumentException("param should not be null", nameof(diceNFaces));
+            }
             if (when.Kind != DateTimeKind.Utc)
             {
                 when = when.ToUniversalTime();
@@ -103,7 +107,7 @@ namespace Model.Games
                 date,
                 time,
                 Player.ToString());
-            foreach ((_, AbstractDieFace face) in DiceNFaces)
+            foreach (AbstractDieFace face in DiceNFaces.Values)
             {
                 sb.Append(" " + face.ToString());
             }
diff --git a/Sources/Tests/Model_UTs/TurnTest.cs b/Sources/Tests/Model_UTs/TurnTest.cs
index 7a8d598..a00ac87 100644
--- a/Sources/Tests/Model_UTs/TurnTest.cs
+++ b/Sources/Tests/Model_UTs/TurnTest.cs
@@ -2,9 +2,7 @@
 using Model.Dice.Faces;
 using Model.Games;
 using Model.Players;
-using Newtonsoft.Json.Linq;
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics;
 using Xunit;
@@ -51,14 +49,14 @@ namespace Tests.Model_UTs
                   new(412)
             };
 
-        /*
+
         private readonly AbstractDie<AbstractDieFace> NUM1 = new NumberDie(FACES1);
         private readonly AbstractDie<AbstractDieFace> NUM2 = new NumberDie(FACES2);
         private readonly AbstractDie<AbstractDieFace> IMG1 = new ImageDie(FACES3);
         private readonly AbstractDie<AbstractDieFace> CLR1 = new ColorDie(FACES4);
-        */
 
-        /*
+
+
         public TurnTest()
         {
             DICE_N_FACES = new()
@@ -69,9 +67,9 @@ namespace Tests.Model_UTs
                 { CLR1, FACE_FOUR }
             };
         }
-        */
 
-        /*
+
+
         [Fact]
         public void TestCreateWithSpecifiedTimeNotUTCThenValid()
         {
@@ -87,9 +85,9 @@ namespace Tests.Model_UTs
             Assert.Equal(DateTimeKind.Utc, turn.When.Kind);
             Assert.Equal(dateTime.ToUniversalTime(), turn.When);
         }
-        */
 
-        /*
+
+
         [Fact]
         public void TestCreateWithSpecifiedTimeUTCThenValid()
         {
@@ -105,7 +103,7 @@ namespace Tests.Model_UTs
             Assert.Equal(DateTimeKind.Utc, turn.When.Kind);
             Assert.Equal(dateTime.ToUniversalTime(), turn.When);
         }
-        */
+
 
         [Fact]
         public void TestCreateWithSpecifiedTimeNullPlayerThenException()
@@ -134,7 +132,7 @@ namespace Tests.Model_UTs
             Assert.Throws<ArgumentNullException>(action);
         }
 
-        /*
+
         [Fact]
         public void TestCreateWithSpecifiedTimeEmptyFacesThenException()
         {
@@ -149,9 +147,9 @@ namespace Tests.Model_UTs
             // Assert
             Assert.Throws<ArgumentException>(action);
         }
-        */
 
-        /*
+
+
         [Fact]
         public void TestCreateWithDefaultTimeThenValid()
         {
@@ -166,9 +164,9 @@ namespace Tests.Model_UTs
             Assert.Equal(DateTime.Now.ToUniversalTime().Date, turn.When.Date);
             // N.B.: might fail between 11:59:59PM and 00:00:00AM
         }
-        */
 
-        /*
+
+
         [Fact]
         public void TestToStringValidIfAllNormal()
         {
@@ -178,8 +176,8 @@ namespace Tests.Model_UTs
             Player player = new(name);
             string expected = $"2018-06-15 16:30:00 -- {name} rolled: "
                 + FACE_ONE.ToString() + " "
-                + FACE_TWO.ToString()
-                + " Assets/images/" + FACE_THREE.ToString() + " "
+                + FACE_TWO.ToString() + " "
+                + FACE_THREE.ToString() + " "
                 + FACE_FOUR.ToString();
 
             Turn turn = Turn.CreateWithSpecifiedTime(dateTime, player, DICE_N_FACES);
@@ -191,6 +189,5 @@ namespace Tests.Model_UTs
             // Assert
             Assert.Equal(expected, actual);
         }
-        */
     }
 }