diff --git a/src/Components/test/E2ETest/Tests/BootResourceCachingTest.cs b/src/Components/test/E2ETest/Tests/BootResourceCachingTest.cs
index cd992ed279..f273f5e53f 100644
--- a/src/Components/test/E2ETest/Tests/BootResourceCachingTest.cs
+++ b/src/Components/test/E2ETest/Tests/BootResourceCachingTest.cs
@@ -48,7 +48,7 @@ namespace Microsoft.AspNetCore.Components.E2ETest.Tests
             var initialResourcesRequested = GetAndClearRequestedPaths();
             Assert.NotEmpty(initialResourcesRequested.Where(path => path.EndsWith("/blazor.boot.json")));
             Assert.NotEmpty(initialResourcesRequested.Where(path => path.EndsWith("/dotnet.wasm")));
-            Assert.NotEmpty(initialResourcesRequested.Where(path => path.EndsWith("/dotnet.timezones.dat")));            
+            Assert.NotEmpty(initialResourcesRequested.Where(path => path.EndsWith("/dotnet.timezones.dat")));
             Assert.NotEmpty(initialResourcesRequested.Where(path => path.EndsWith(".js")));
             Assert.NotEmpty(initialResourcesRequested.Where(path => path.EndsWith(".dll")));
 
@@ -66,6 +66,7 @@ namespace Microsoft.AspNetCore.Components.E2ETest.Tests
         }
 
         [Fact]
+        [QuarantinedTest]
         public void IncrementallyUpdatesCache()
         {
             // Perform a first load to populate the cache
diff --git a/src/Hosting/test/FunctionalTests/WebHostBuilderTests.cs b/src/Hosting/test/FunctionalTests/WebHostBuilderTests.cs
index 3e170397a2..a6735ea9e2 100644
--- a/src/Hosting/test/FunctionalTests/WebHostBuilderTests.cs
+++ b/src/Hosting/test/FunctionalTests/WebHostBuilderTests.cs
@@ -20,6 +20,7 @@ namespace Microsoft.AspNetCore.Hosting.FunctionalTests
                 .WithTfms(Tfm.Net50);
 
         [ConditionalTheory]
+        [QuarantinedTest]
         [MemberData(nameof(TestVariants))]
         public async Task InjectedStartup_DefaultApplicationNameIsEntryAssembly(TestVariant variant)
         {