Implement Page.evaluateHandle tests (#188)

Author: Meir017

lib/PuppeteerSharp.Tests/Page/EvaluateHandleTests.cs

@@ -0,0 +1,16 @@
+using System.Threading.Tasks;
+using Xunit;
+
+namespace PuppeteerSharp.Tests.Page
+{
+    [Collection("PuppeteerLoaderFixture collection")]
+    public class EvaluateHandleTests : PuppeteerPageBaseTest
+    {
+        [Fact]
+        public async Task ShouldWork()
+        {
+            var windowHandle = await Page.EvaluateExpressionHandleAsync("window");
+            Assert.NotNull(windowHandle);
+        }
+    }
+}