Remove warnings (#438)

Author: kblok

lib/PuppeteerSharp.Tests/TestConstants.cs

@@ -36,7 +36,6 @@ public static class TestConstants
             Headless = Convert.ToBoolean(Environment.GetEnvironmentVariable("HEADLESS") ?? "true"),
             Args = new[] { "--no-sandbox" },
             Timeout = 0,
-            KeepAliveInterval = 120,
             LogProcess = true
         };
 

lib/PuppeteerSharp/Connection.cs

@@ -32,10 +32,7 @@ internal Connection(string url, int delay, ClientWebSocket ws, ILoggerFactory lo
             _sessions = new Dictionary<string, CDPSession>();
             _websocketReaderCancellationSource = new CancellationTokenSource();
 
-            Task task = Task.Factory.StartNew(async () =>
-            {
-                await GetResponseAsync();
-            });
+            Task.Factory.StartNew(GetResponseAsync);
         }
 
         #region Private Members

lib/PuppeteerSharp/Frame.cs

@@ -277,7 +277,6 @@ public Task<JSHandle> WaitForFunctionAsync(string script, WaitForFunctionOptions
         /// </summary>
         /// <param name="script">Expression to be evaluated in browser context</param>
         /// <param name="options">Optional waiting parameters</param>
-        /// <param name="args">Arguments to pass to <c>script</c></param>
         /// <returns>A task that resolves when the <c>script</c> returns a truthy value</returns>
         /// <seealso cref="Page.WaitForExpressionAsync(string, WaitForFunctionOptions)"/>
         public Task<JSHandle> WaitForExpressionAsync(string script, WaitForFunctionOptions options)
@@ -594,7 +593,7 @@ internal void SetDefaultContext(ExecutionContext context)
 
                 foreach (var waitTask in WaitTasks)
                 {
-                    waitTask.Rerun();
+                    _ = waitTask.Rerun();
                 }
             }
             else

lib/PuppeteerSharp/Page.cs

@@ -1247,7 +1247,7 @@ public Task<JSHandle> WaitForFunctionAsync(string script, WaitForFunctionOptions
         /// <param name="script">Expression to be evaluated in browser context</param>
         /// <param name="options">Optional waiting parameters</param>
         /// <returns>A task that resolves when the <c>script</c> returns a truthy value</returns>
-        /// <seealso cref="Frame.WaitForExpressionAsync(string, WaitForFunctionOptions, object[])"/>
+        /// <seealso cref="Frame.WaitForExpressionAsync(string, WaitForFunctionOptions)"/>
         public Task<JSHandle> WaitForExpressionAsync(string script, WaitForFunctionOptions options = null)
             => MainFrame.WaitForExpressionAsync(script, options ?? new WaitForFunctionOptions());
 

lib/PuppeteerSharp/WaitTask.cs

@@ -137,7 +137,6 @@ internal WaitTask(
             _title = title;
 
             frame.WaitTasks.Add(this);
-            _taskCompletion = new TaskCompletionSource<JSHandle>();
 
             _cts = new CancellationTokenSource();
 
@@ -147,7 +146,8 @@ internal WaitTask(
                     => Termiante(new WaitTaskTimeoutException(timeout, title)));
             }
 
-            Rerun();
+            _taskCompletion = new TaskCompletionSource<JSHandle>();
+            _ = Rerun();
         }
 
         internal Task<JSHandle> Task => _taskCompletion.Task;