Fix code formatting calls (CA2241)

Author: dsplaisted

test/Microsoft.NET.Build.Tests/GivenThatWeWantToBuildADesktopExe.cs

@@ -844,9 +844,10 @@ public void It_generates_supportedRuntime_when_there_is_appconfig_with_supported
                 Path.Combine(testAsset.TestRoot, "App.Config"));
 
             XElement root = BuildTestAssetGetAppConfig(testAsset);
+
             root.Elements("startup").Single()
                 .Elements("supportedRuntime").Single()
-                .Should().HaveAttribute("version", "v999", "It should keep existing supportedRuntime");
+                .Should().HaveAttributeWithValue("version", "v999", "It should keep existing supportedRuntime");
         }
 
         [WindowsOnlyFact]

test/Microsoft.NET.Sdk.Razor.Tests/ReferenceResolverTest.cs

@@ -188,7 +188,7 @@ public void Resolve_Works_WhenAssemblyReferencesAreRecursive_ButAlsoReferencesMv
             var assemblies = resolver.ResolveAssemblies();
 
             // Assert
-            assemblies.Should().Contain("MyCMS", "MyCMS.Core", "MyCoolLibrary", "PresentationFramework", "ReachFramework");
+            assemblies.Should().Contain(["MyCMS", "MyCMS.Core", "MyCoolLibrary", "PresentationFramework", "ReachFramework"]);
         }
 
         public AssemblyItem CreateAssemblyItem(string name, bool isFrameworkReference = false)

test/dotnet.Tests/CommandTests/Tool/Run/ToolRunCommandTests.cs

@@ -40,7 +40,7 @@ public void WhenRunWithRollForwardOptionItShouldIncludeRollForwardInNativeHost()
             }, toolRunCommand._allowRollForward);
 
             result.Should().NotBeNull();
-            result.Args.Should().Contain("--roll-forward", "Major", fakeExecutable.Value);
+            result.Args.Should().ContainAll("--roll-forward", "Major", fakeExecutable.Value);
         }
 
         [Fact]