Fix some SonarCloud issues in UnitTests

test/WireMock.Net.Tests/Http/HttpRequestMessageHelperTests.cs

@@ -1,6 +1,7 @@
 using NFluent;
 using System.Collections.Generic;
 using System.Text;
+using System.Threading.Tasks;
 using WireMock.Http;
 using WireMock.Models;
 using WireMock.Types;
@@ -28,7 +29,7 @@ public void HttpRequestMessageHelper_Create()
         }
 
         [Fact]
-        public async void HttpRequestMessageHelper_Create_Bytes()
+        public async Task HttpRequestMessageHelper_Create_Bytes()
         {
             // Assign
             var body = new BodyData
@@ -46,7 +47,7 @@ public async void HttpRequestMessageHelper_Create_Bytes()
         }
 
         [Fact]
-        public async void HttpRequestMessageHelper_Create_Json()
+        public async Task HttpRequestMessageHelper_Create_Json()
         {
             // Assign
             var body = new BodyData
@@ -64,7 +65,7 @@ public async void HttpRequestMessageHelper_Create_Json()
         }
 
         [Fact]
-        public async void HttpRequestMessageHelper_Create_Json_With_ContentType_ApplicationJson()
+        public async Task HttpRequestMessageHelper_Create_Json_With_ContentType_ApplicationJson()
         {
             // Assign
             var headers = new Dictionary<string, string[]> { { "Content-Type", new[] { "application/json" } } };
@@ -84,7 +85,7 @@ public async void HttpRequestMessageHelper_Create_Json_With_ContentType_Applicat
         }
 
         [Fact]
-        public async void HttpRequestMessageHelper_Create_Json_With_ContentType_ApplicationJson_UTF8()
+        public async Task HttpRequestMessageHelper_Create_Json_With_ContentType_ApplicationJson_UTF8()
         {
             // Assign
             var headers = new Dictionary<string, string[]> { { "Content-Type", new[] { "application/json; charset=utf-8" } } };

test/WireMock.Net.Tests/ObservableLogEntriesTest.cs

@@ -19,7 +19,7 @@ namespace WireMock.Net.Tests
     public class ObservableLogEntriesTest
     {
         [Fact]
-        public async void WireMockServer_LogEntriesChanged_WithException_Should_LogError()
+        public async Task WireMockServer_LogEntriesChanged_WithException_Should_LogError()
         {
             // Assign
             string path = $"/log_{Guid.NewGuid()}";
@@ -48,7 +48,7 @@ public async void WireMockServer_LogEntriesChanged_WithException_Should_LogError
         }
 
         [Fact]
-        public async void WireMockServer_LogEntriesChanged()
+        public async Task WireMockServer_LogEntriesChanged()
         {
             // Assign
             string path = $"/log_{Guid.NewGuid()}";

test/WireMock.Net.Tests/Owin/WireMockMiddlewareTests.cs

@@ -77,7 +77,7 @@ public WireMockMiddlewareTests()
         }
 
         [Fact]
-        public async void WireMockMiddleware_Invoke_NoMatch()
+        public async Task WireMockMiddleware_Invoke_NoMatch()
         {
             // Act
             await _sut.Invoke(_contextMock.Object);
@@ -90,7 +90,7 @@ public async void WireMockMiddleware_Invoke_NoMatch()
         }
 
         [Fact]
-        public async void WireMockMiddleware_Invoke_IsAdminInterface_EmptyHeaders_401()
+        public async Task WireMockMiddleware_Invoke_IsAdminInterface_EmptyHeaders_401()
         {
             // Assign
             var request = new RequestMessage(new UrlDetails("http://localhost/foo"), "GET", "::1", null, new Dictionary<string, string[]>());
@@ -113,7 +113,7 @@ public async void WireMockMiddleware_Invoke_IsAdminInterface_EmptyHeaders_401()
         }
 
         [Fact]
-        public async void WireMockMiddleware_Invoke_IsAdminInterface_MissingHeader_401()
+        public async Task WireMockMiddleware_Invoke_IsAdminInterface_MissingHeader_401()
         {
             // Assign
             var request = new RequestMessage(new UrlDetails("http://localhost/foo"), "GET", "::1", null, new Dictionary<string, string[]> { { "h", new[] { "x" } } });
@@ -136,7 +136,7 @@ public async void WireMockMiddleware_Invoke_IsAdminInterface_MissingHeader_401()
         }
 
         [Fact]
-        public async void WireMockMiddleware_Invoke_RequestLogExpirationDurationIsDefined()
+        public async Task WireMockMiddleware_Invoke_RequestLogExpirationDurationIsDefined()
         {
             // Assign
             _optionsMock.SetupGet(o => o.RequestLogExpirationDuration).Returns(1);
@@ -146,7 +146,7 @@ public async void WireMockMiddleware_Invoke_RequestLogExpirationDurationIsDefine
         }
 
         [Fact]
-        public async void WireMockMiddleware_Invoke_Mapping_Has_ProxyAndRecordSettings_And_SaveMapping_Is_True()
+        public async Task WireMockMiddleware_Invoke_Mapping_Has_ProxyAndRecordSettings_And_SaveMapping_Is_True()
         {
             // Assign
             var request = new RequestMessage(new UrlDetails("http://localhost/foo"), "GET", "::1", null, new Dictionary<string, string[]>());
@@ -195,7 +195,7 @@ public async void WireMockMiddleware_Invoke_Mapping_Has_ProxyAndRecordSettings_A
         }
 
         [Fact]
-        public async void WireMockMiddleware_Invoke_Mapping_Has_ProxyAndRecordSettings_And_SaveMapping_Is_False_But_WireMockServerSettings_SaveMapping_Is_True()
+        public async Task WireMockMiddleware_Invoke_Mapping_Has_ProxyAndRecordSettings_And_SaveMapping_Is_False_But_WireMockServerSettings_SaveMapping_Is_True()
         {
             // Assign
             var request = new RequestMessage(new UrlDetails("http://localhost/foo"), "GET", "::1", null, new Dictionary<string, string[]>());

test/WireMock.Net.Tests/WireMockServer.Admin.cs

@@ -422,7 +422,7 @@ public void WireMockServer_Admin_AddMappingsAndSaveToFile()
         }
 
         [Fact]
-        public async void WireMockServer_Admin_DeleteMappings()
+        public async Task WireMockServer_Admin_DeleteMappings()
         {
             // Arrange
             var server = WireMockServer.Start(new WireMockServerSettings