Fix not working TU

Sources/TestUnitaires/TU_StubArtist.cs

@@ -8,17 +8,18 @@ namespace TestUnitaires
 
     public class TU_StubArtist
     {
-        [Theory]
-        [InlineData("test")]
-        public void TU_Attributes(string test)
+        List<Artist> test = new();
+
+        [Fact]
+        public void TU_Attributes()
         {
             StubArtist stubArtist = new StubArtist();
-            List<Artist> artists = new List<Artist>() { new Artist("Imagine Dragons"), new Artist("Nepal"), new Artist("Hugo TSR"), new Artist("Booba"), new Artist("Oxmo Puccino"), new Artist("IAM"), new Artist("PNL") };
+            List<Artist> artists = new List<Artist>() { new Artist("Imagine Dragons"), new Artist("Népal"), new Artist("Hugo TSR"), new Artist("Booba"), new Artist("Oxmo Puccino"), new Artist("IAM"), new Artist("PNL") };
             Assert.Equal(stubArtist.Artists, artists);
         }
-        [Theory]
-        [InlineData("test")]
-        public void TU_Methods(string test)
+
+        [Fact]
+        public void TU_Methods()
         {
             StubArtist stubArtist = new StubArtist();
             List<Artist> list = new List<Artist>();
@@ -29,6 +30,7 @@ namespace TestUnitaires
             stubArtist.RemoveArtist(artist);
             Assert.DoesNotContain(artist, stubArtist.Artists);
             artist = stubArtist.GetArtistByName("Nepal");
+            stubArtist.AddArtist(artist);
             Assert.Contains(artist,stubArtist.Artists);
             list = stubArtist.GetArtists();
             Assert.Equal(list, stubArtist.Artists);