Sync wordy tests

exercises/practice/wordy/.meta/tests.toml

@@ -12,9 +12,21 @@
 [88bf4b28-0de3-4883-93c7-db1b14aa806e]
 description = "just a number"
 
+[18983214-1dfc-4ebd-ac77-c110dde699ce]
+description = "just a zero"
+
+[607c08ee-2241-4288-916d-dae5455c87e6]
+description = "just a negative number"
+
 [bb8c655c-cf42-4dfc-90e0-152fcfd8d4e0]
 description = "addition"
 
+[bb9f2082-171c-46ad-ad4e-c3f72087c1b5]
+description = "addition with a left hand zero"
+
+[6fa05f17-405a-4742-80ae-5d1a8edb0d5d]
+description = "addition with a right hand zero"
+
 [79e49e06-c5ae-40aa-a352-7a3a01f70015]
 description = "more addition"
 

exercises/practice/wordy/WordyTests.cs

@@ -6,12 +6,36 @@ public void Just_a_number()
         Assert.Equal(5, Wordy.Answer("What is 5?"));
     }
 
+    [Fact(Skip = "Remove this Skip property to run this test")]
+    public void Just_a_zero()
+    {
+        Assert.Equal(0, Wordy.Answer("What is 0?"));
+    }
+
+    [Fact(Skip = "Remove this Skip property to run this test")]
+    public void Just_a_negative_number()
+    {
+        Assert.Equal(-123, Wordy.Answer("What is -123?"));
+    }
+
     [Fact(Skip = "Remove this Skip property to run this test")]
     public void Addition()
     {
         Assert.Equal(2, Wordy.Answer("What is 1 plus 1?"));
     }
 
+    [Fact(Skip = "Remove this Skip property to run this test")]
+    public void Addition_with_a_left_hand_zero()
+    {
+        Assert.Equal(2, Wordy.Answer("What is 0 plus 2?"));
+    }
+
+    [Fact(Skip = "Remove this Skip property to run this test")]
+    public void Addition_with_a_right_hand_zero()
+    {
+        Assert.Equal(3, Wordy.Answer("What is 3 plus 0?"));
+    }
+
     [Fact(Skip = "Remove this Skip property to run this test")]
     public void More_addition()
     {