Fixes tests to share WebHostFixture

Author: joncloud

tests/https.Tests/CertificateTests.cs

@@ -4,7 +4,8 @@
 
 namespace Https.Tests
 {
-    public class CertificateTests : IClassFixture<WebHostFixture>
+    [Collection(nameof(WebHostFixture))]
+    public class CertificateTests
     {
         readonly WebHostFixture _fixture;
         public CertificateTests(WebHostFixture fixture) =>

tests/https.Tests/ContentTypeTests.cs

@@ -5,7 +5,8 @@
 
 namespace Https.Tests
 {
-    public class ContentTypeTests : IClassFixture<WebHostFixture>
+    [Collection(nameof(WebHostFixture))]
+    public class ContentTypeTests
     {
         readonly WebHostFixture _fixture;
         public ContentTypeTests(WebHostFixture fixture) =>

tests/https.Tests/RedirectTests.cs

@@ -3,7 +3,8 @@
 
 namespace Https.Tests
 {
-    public class RedirectTests : IClassFixture<WebHostFixture>
+    [Collection(nameof(WebHostFixture))]
+    public class RedirectTests
     {
         readonly WebHostFixture _fixture;
         public RedirectTests(WebHostFixture fixture) =>

tests/https.Tests/WebHostFixture.cs

@@ -3,9 +3,13 @@
 using System;
 using System.Threading;
 using System.Threading.Tasks;
+using Xunit;
 
 namespace Https.Tests
 {
+    [CollectionDefinition(nameof(WebHostFixture))]
+    public class WebHostCollection : ICollectionFixture<WebHostFixture> { }
+
     public class WebHostFixture : IDisposable
     {
         readonly IWebHost _webHost;