modifications des tests

tp1/UnitTests/UnitTest1.cs

@@ -143,6 +143,7 @@ namespace UnitTests
             }
         }
 
+        [Fact]
         public void Delete_TestPerson()
         {
             var connection = new SqliteConnection("DataSource=:memory:");
@@ -165,25 +166,25 @@ namespace UnitTests
             }
         }
 
+        [Fact]
         public void Delete_TestBook()
         {
             var connection = new SqliteConnection("DataSource=:memory:");
             connection.Open();
             var options = new DbContextOptionsBuilder<LibraryContext>().UseSqlite().Options;
-            var nb;
+         
             //prepares the database with one instance of the context
 
             //prepares the database with one instance of the context
             using (var context = new StubbedContext(options))
             {   
-                
                 context.PersonSet.Include(pers => pers.Books).ToList();
-                nb = context.BooksSet.Count(); 
+                 var nb = context.BooksSet.Count(); 
                 if (nb > 0)
                 {
                     context.BooksSet.Remove(context.BooksSet.FirstOrDefault());
                 }
-                Assert.Equal(context.BooksSet.Count, nb - 1);
+                Assert.Equal(context.BooksSet.Count(), nb - 1);
                 context.SaveChanges();
             }
         }