diff --git a/Directory.Build.targets b/Directory.Build.targets
index d69a81c44d..5a4214fc7d 100644
--- a/Directory.Build.targets
+++ b/Directory.Build.targets
@@ -17,11 +17,18 @@
     <ReportGeneratorReportTypes Condition=" '$(ReportGeneratorOutputMarkdown)' == 'true' ">$(ReportGeneratorReportTypes);MarkdownSummaryGitHub</ReportGeneratorReportTypes>
     <ReportGeneratorTargetDirectory>$([System.IO.Path]::Combine($(ArtifactsPath), 'coverage'))</ReportGeneratorTargetDirectory>
     <MergeWith>$([System.IO.Path]::Combine($(ReportGeneratorTargetDirectory), 'coverage.json'))</MergeWith>
-    <_MarkdownSummaryPrefix>&lt;details&gt;&lt;summary&gt;:chart_with_upwards_trend: &lt;b&gt;$(AssemblyName) Code Coverage report&lt;/b&gt;&lt;/summary&gt;</_MarkdownSummaryPrefix>
-    <_MarkdownSummarySuffix>&lt;/details&gt;</_MarkdownSummarySuffix>
   </PropertyGroup>
   <Target Name="GenerateCoverageReports" AfterTargets="GenerateCoverageResultAfterTest" Condition=" '$(CollectCoverage)' == 'true' ">
     <ReportGenerator ReportFiles="@(CoverletReport)" ReportTypes="$(ReportGeneratorReportTypes)" Tag="$(Version)" TargetDirectory="$(ReportGeneratorTargetDirectory)" Title="$(AssemblyName)" VerbosityLevel="Warning" />
-    <Exec Condition=" '$(ReportGeneratorOutputMarkdown)' == 'true' " Command="pwsh -Command %22('$(_MarkdownSummaryPrefix)' + [System.Environment]::NewLine + [System.Environment]::NewLine + (Get-Content $([System.IO.Path]::Combine($(ReportGeneratorTargetDirectory), 'SummaryGithub.md')) | Out-String) + [System.Environment]::NewLine + [System.Environment]::NewLine + '$(_MarkdownSummarySuffix)') >> $(GITHUB_STEP_SUMMARY)%22" />
+    <PropertyGroup Condition=" '$(ReportGeneratorOutputMarkdown)' == 'true' ">
+      <_ReportSummaryContent>&lt;details&gt;&lt;summary&gt;:chart_with_upwards_trend: &lt;b&gt;$(AssemblyName) Code Coverage report&lt;/b&gt;&lt;/summary&gt;</_ReportSummaryContent>
+      <_ReportSummaryContent>$(_ReportSummaryContent)$([System.Environment]::NewLine)</_ReportSummaryContent>
+      <_ReportSummaryContent>$(_ReportSummaryContent)$([System.Environment]::NewLine)</_ReportSummaryContent>
+      <_ReportSummaryContent>$(_ReportSummaryContent)$([System.IO.File]::ReadAllText('$([System.IO.Path]::Combine($(ReportGeneratorTargetDirectory), 'SummaryGithub.md'))'))</_ReportSummaryContent>
+      <_ReportSummaryContent>$(_ReportSummaryContent)$([System.Environment]::NewLine)</_ReportSummaryContent>
+      <_ReportSummaryContent>$(_ReportSummaryContent)$([System.Environment]::NewLine)</_ReportSummaryContent>
+      <_ReportSummaryContent>$(_ReportSummaryContent)&lt;/details&gt;</_ReportSummaryContent>
+    </PropertyGroup>
+    <WriteLinesToFile Condition=" '$(ReportGeneratorOutputMarkdown)' == 'true' " ContinueOnError="WarnAndContinue" File="$(GITHUB_STEP_SUMMARY)" Lines="$(_ReportSummaryContent)" />
   </Target>
 </Project>
diff --git a/test/Swashbuckle.AspNetCore.IntegrationTests/CustomDocumentSerializerTests.cs b/test/Swashbuckle.AspNetCore.IntegrationTests/CustomDocumentSerializerTests.cs
index 8ce33c6966..c68525621f 100644
--- a/test/Swashbuckle.AspNetCore.IntegrationTests/CustomDocumentSerializerTests.cs
+++ b/test/Swashbuckle.AspNetCore.IntegrationTests/CustomDocumentSerializerTests.cs
@@ -10,6 +10,7 @@
 
 namespace Swashbuckle.AspNetCore.IntegrationTests
 {
+    [Collection("TestSite")]
     public class CustomDocumentSerializerTests
     {
         [Fact]
diff --git a/test/Swashbuckle.AspNetCore.IntegrationTests/DocumentProviderTests.cs b/test/Swashbuckle.AspNetCore.IntegrationTests/DocumentProviderTests.cs
index 9602db1c0d..a052fa32d2 100644
--- a/test/Swashbuckle.AspNetCore.IntegrationTests/DocumentProviderTests.cs
+++ b/test/Swashbuckle.AspNetCore.IntegrationTests/DocumentProviderTests.cs
@@ -9,6 +9,7 @@
 
 namespace Swashbuckle.AspNetCore.IntegrationTests
 {
+    [Collection("TestSite")]
     public class DocumentProviderTests
     {
         [Theory]
diff --git a/test/Swashbuckle.AspNetCore.IntegrationTests/ReDocIntegrationTests.cs b/test/Swashbuckle.AspNetCore.IntegrationTests/ReDocIntegrationTests.cs
index b3e1e10412..048d23221c 100644
--- a/test/Swashbuckle.AspNetCore.IntegrationTests/ReDocIntegrationTests.cs
+++ b/test/Swashbuckle.AspNetCore.IntegrationTests/ReDocIntegrationTests.cs
@@ -5,6 +5,7 @@
 
 namespace Swashbuckle.AspNetCore.IntegrationTests
 {
+    [Collection("TestSite")]
     public class ReDocIntegrationTests
     {
         [Fact]
@@ -58,4 +59,4 @@ public async Task RedocMiddleware_CanBeConfiguredMultipleTimes(string redocUrl,
             Assert.Contains(swaggerPath, content);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerIntegrationTests.cs b/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerIntegrationTests.cs
index 223843ed90..eeeed33c05 100644
--- a/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerIntegrationTests.cs
+++ b/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerIntegrationTests.cs
@@ -11,6 +11,7 @@
 
 namespace Swashbuckle.AspNetCore.IntegrationTests
 {
+    [Collection("TestSite")]
     public class SwaggerIntegrationTests
     {
         [Theory]
diff --git a/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerUIIntegrationTests.cs b/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerUIIntegrationTests.cs
index 430a9a6f22..bd6beab563 100644
--- a/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerUIIntegrationTests.cs
+++ b/test/Swashbuckle.AspNetCore.IntegrationTests/SwaggerUIIntegrationTests.cs
@@ -5,6 +5,7 @@
 
 namespace Swashbuckle.AspNetCore.IntegrationTests
 {
+    [Collection("TestSite")]
     public class SwaggerUIIntegrationTests
     {
         [Theory]
@@ -88,4 +89,4 @@ public async Task SwaggerUIMiddleware_CanBeConfiguredMultipleTimes(string swagge
             }
         }
     }
-}
\ No newline at end of file
+}