[tests] increase timeout and wrap http client call (#3964)

Author: lachmatt

test/IntegrationTests/DotNetCliTests.cs

@@ -65,9 +65,16 @@ private static void ChangeDefaultProgramToHttpClient()
     {
         const string ProgramContent = @"
 using var httpClient = new HttpClient();
-httpClient.Timeout = TimeSpan.FromSeconds(5);
-using var response = await httpClient.GetAsync(""http://example.com"");
-Console.WriteLine(response.StatusCode);
+httpClient.Timeout = TimeSpan.FromSeconds(10);
+try
+{
+    var response = await httpClient.GetAsync(""http://example.com"");
+    Console.WriteLine(response.StatusCode);
+}
+catch (Exception e)
+{
+    Console.WriteLine(e);
+}
 ";
 
         File.WriteAllText("Program.cs", ProgramContent);

test/test-applications/nuget-packages/TestApplication.NugetSample/Program.cs

@@ -18,7 +18,14 @@
 using System.Net.Http;
 #endif
 
-var httpClient = new HttpClient();
-httpClient.Timeout = TimeSpan.FromSeconds(5);
-var response = await httpClient.GetAsync("http://example.com");
-Console.WriteLine(response.StatusCode);
+using var httpClient = new HttpClient();
+httpClient.Timeout = TimeSpan.FromSeconds(10);
+try
+{
+    var response = await httpClient.GetAsync("http://example.com");
+    Console.WriteLine(response.StatusCode);
+}
+catch (Exception e)
+{
+    Console.WriteLine(e);
+}