BrowserWindow tests: use about:blank as url

Author: softworkz

src/ElectronNET.IntegrationTests/ElectronFixture.cs

@@ -22,7 +22,7 @@ public async Task InitializeAsync()
                 Show = false,
                 Width = 800,
                 Height = 600,
-            });
+            }, "about:blank");
 
             // Clear potential cache side-effects
             await this.MainWindow.WebContents.Session.ClearCacheAsync();

src/ElectronNET.IntegrationTests/Tests/BrowserWindowTests.cs

@@ -105,7 +105,7 @@ public async Task MenuBar_auto_hide_and_visibility()
         [Fact(Timeout = 20000)]
         public async Task ReadyToShow_event_fires_after_content_ready()
         {
-            var window = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = false });
+            var window = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = false }, "about:blank");
             var tcs = new TaskCompletionSource();
             window.OnReadyToShow += () => tcs.TrySetResult();
 
@@ -125,7 +125,7 @@ public async Task ReadyToShow_event_fires_after_content_ready()
         [Fact(Timeout = 20000)]
         public async Task PageTitleUpdated_event_fires_on_title_change()
         {
-            var window = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = true });
+            var window = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = true }, "about:blank");
             var tcs = new TaskCompletionSource<string>();
             window.OnPageTitleUpdated += title => tcs.TrySetResult(title);
 
@@ -145,7 +145,7 @@ public async Task PageTitleUpdated_event_fires_on_title_change()
         [Fact(Timeout = 20000)]
         public async Task Resize_event_fires_on_size_change()
         {
-            var window = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = false });
+            var window = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = false }, "about:blank");
             var resized = false;
             window.OnResize += () => resized = true;
             window.SetSize(500, 400);
@@ -178,7 +178,7 @@ public async Task Menu_bar_visibility_and_auto_hide()
         [Fact(Timeout = 20000)]
         public async Task Parent_child_relationship_roundtrip()
         {
-            var child = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = false, Width = 300, Height = 200 });
+            var child = await Electron.WindowManager.CreateWindowAsync(new BrowserWindowOptions { Show = false, Width = 300, Height = 200 }, "about:blank");
             this.fx.MainWindow.SetParentWindow(null); // ensure top-level
             child.SetParentWindow(this.fx.MainWindow);
             var parent = await child.GetParentWindowAsync();

src/ElectronNET.IntegrationTests/Tests/ProcessTests.cs

@@ -9,7 +9,7 @@ public class ProcessTests
         public async Task Process_info_is_accessible()
         {
             // Use renderer to fetch process info and round-trip
-            var execPath = await Electron.WindowManager.CreateWindowAsync(new API.Entities.BrowserWindowOptions { Show = false });
+            var execPath = await Electron.WindowManager.CreateWindowAsync(new API.Entities.BrowserWindowOptions { Show = false }, "about:blank");
             var result = await execPath.WebContents.ExecuteJavaScriptAsync<string>("process.execPath && process.platform ? 'ok' : 'fail'");
             result.Should().Be("ok");
         }