adding a couple await Task.Delay(500); to test in order to resolve flaky tests

Author: agracio

src/ElectronNET.IntegrationTests/Tests/AutoUpdaterTests.cs

@@ -104,6 +104,7 @@ public async Task RequestHeadersAsync_check()
             var test = await Electron.AutoUpdater.RequestHeadersAsync;
             test.Should().BeNull();
             Electron.AutoUpdater.RequestHeaders = headers;
+            await Task.Delay(500);
             test = await Electron.AutoUpdater.RequestHeadersAsync;
             test.Should().NotBeNull();
             test.Count.Should().Be(1);

src/ElectronNET.IntegrationTests/Tests/WebContentsTests.cs

@@ -132,23 +132,25 @@ public async Task DevTools_check()
             Skip.If(Environment.GetEnvironmentVariable("GITHUB_RUN_ID") != null, "Skipping test in CI environment.");
             fx.MainWindow.WebContents.IsDevToolsOpened().Should().BeFalse();
             fx.MainWindow.WebContents.OpenDevTools();
-            await Task.Delay(1000);
+            await Task.Delay(500);
             fx.MainWindow.WebContents.IsDevToolsOpened().Should().BeTrue();
             fx.MainWindow.WebContents.CloseDevTools();
-            await Task.Delay(1000);
+            await Task.Delay(500);
             fx.MainWindow.WebContents.IsDevToolsOpened().Should().BeFalse();
             fx.MainWindow.WebContents.ToggleDevTools();
-            await Task.Delay(1000);
+            await Task.Delay(500);
             fx.MainWindow.WebContents.IsDevToolsOpened().Should().BeTrue();
         }
 
         [Fact(Timeout = 20000)]
         public async Task GetSetAudioMuted_check()
         {
             fx.MainWindow.WebContents.SetAudioMuted(true);
+            await Task.Delay(500);
             var ok = await fx.MainWindow.WebContents.IsAudioMutedAsync();
             ok.Should().BeTrue();
             fx.MainWindow.WebContents.SetAudioMuted(false);
+            await Task.Delay(500);
             ok = await fx.MainWindow.WebContents.IsAudioMutedAsync();
             ok.Should().BeFalse();