Build: fix Tests for 1.21.9 version (MudBlazor#7157)

src/MudBlazor.UnitTests/Components/AutocompleteTests.cs

@@ -139,7 +139,7 @@ public async Task AutocompleteCoercionTest()
             // set a value the search won't find
             autocompletecomp.SetParam(a => a.Text, "Austria"); // not part of the U.S.
             // IsOpen must be true to properly simulate a user clicking outside of the component, which is what the next ToggleMenu call below does.
-            autocomplete.IsOpen.Should().BeTrue();
+            autocompletecomp.WaitForAssertion(() => autocomplete.IsOpen.Should().BeTrue());
             // now trigger the coercion by closing the menu
             await comp.InvokeAsync(() => autocomplete.ToggleMenu());
             autocomplete.Value.Should().Be("Alabama");

src/MudBlazor.UnitTests/Components/DataGridTests.cs

@@ -3654,12 +3654,11 @@ public async Task DataGridGroupExpandedServerDataTest()
             comp.Instance.CollapseAllGroups();
             dataGrid.Render();
             // after all groups are collapsed
-            comp.FindAll("tbody .mud-table-row").Count.Should().Be(2);
-            await comp.InvokeAsync(() =>
-                comp.Instance.AddFruit());
+            comp.WaitForAssertion(() => comp.FindAll("tbody .mud-table-row").Count.Should().Be(2));
+            await comp.InvokeAsync(() => comp.Instance.AddFruit());
             // datagrid should be expanded with the new category
             dataGrid.Render();
-            comp.FindAll("tbody .mud-table-row").Count.Should().Be(3);
+            comp.WaitForAssertion(() => comp.FindAll("tbody .mud-table-row").Count.Should().Be(3));
         }
 
         [Test]

src/MudBlazor.UnitTests/MudBlazor.UnitTests.csproj

@@ -34,7 +34,7 @@
   </Target>
 
   <ItemGroup>
-    <PackageReference Include="bunit" Version="1.20.8" />
+    <PackageReference Include="bunit" Version="1.21.9" />
     <PackageReference Include="coverlet.msbuild" Version="6.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>