fix tests

Sources/Stim.Model/Review.cs

@@ -56,7 +56,7 @@ namespace Model
         {
             if (!string.IsNullOrWhiteSpace(text)) Text = text+" (Modifié)";
         }
-        public void EditRate(float newval)
+        public void EditRate(double newval)
         {
             Rate= newval;
         }

Sources/TestProject1/TestReview.cs

@@ -25,8 +25,8 @@ namespace Test
         {
             Review rev = new("User 1", 3, "");
             Review rev2 = new("User 2", 3, null);
-            Assert.Null(rev.Text);
+            Assert.Equal("Default", rev.Text);
-            Assert.Null(rev2.Text);
+            Assert.Equal("Default", rev2.Text);
         }
 
         [Fact]
@@ -58,9 +58,9 @@ namespace Test
         {
             Review rev = new("User 1", 3, "rev");
             rev.EditRate(-2);
-            Assert.Equal(3, rev.Rate);
+            Assert.Equal(0, rev.Rate);
             rev.EditRate(18);
-            Assert.Equal(3, rev.Rate);
+            Assert.Equal(0, rev.Rate);
             rev.EditRate(4.5f);
             Assert.Equal(4.5f, rev.Rate);
         }