refactor: Update acoustic resource to a longer file for tests and examples

Author: mediumTaj

examples/IBM.WatsonDeveloperCloud.SpeechToText.v1.Example/SpeechToTextServiceExample.cs

@@ -39,7 +39,7 @@ public class SpeechToTextServiceExample
         //private string _corpusPath = @"SpeechToTextTestData/theJabberwocky-utf8.txt";
         private string _acousticModelName = "dotnet-integration-test-custom-acoustic-model";
         private string _acousticModelDescription = "A custom model to teset .NET SDK Speech to Text acoustic customization.";
-        private string _acousticResourceUrl = "https://ia802302.us.archive.org/10/items/Greatest_Speeches_of_the_20th_Century/TheFirstAmericaninEarthOrbit.mp3";
+        private string _acousticResourceUrl = "https://archive.org/download/Greatest_Speeches_of_the_20th_Century/KeynoteAddressforDemocraticConvention_64kb.mp3";
         //private string _acousticResourcePath = @"SpeechToTextTestData/TheFirstAmericaninEarthOrbit.mp3";
         private string _acousticResourceName = "firstOrbit";
         private string _acousticResourceMimeType = "audio/mpeg";

test/IBM.WatsonDeveloperCloud.SpeechToText.v1.IntegrationTests/SpeechToTextServiceIntegrationTest.cs

@@ -47,7 +47,7 @@ public class SpeechToTextServiceIntegrationTest
         private string _corpusPath = @"SpeechToTextTestData/theJabberwocky-utf8.txt";
         private string _acousticModelName = "dotnet-integration-test-custom-acoustic-model";
         private string _acousticModelDescription = "A custom model to teset .NET SDK Speech to Text acoustic customization.";
-        private string _acousticResourceUrl = "https://ia802302.us.archive.org/10/items/Greatest_Speeches_of_the_20th_Century/TheFirstAmericaninEarthOrbit.mp3";
+        private string _acousticResourceUrl = "https://archive.org/download/Greatest_Speeches_of_the_20th_Century/KeynoteAddressforDemocraticConvention_64kb.mp3";
         private string _acousticResourceName = "firstOrbit";
         private string _acousticResourceMimeType = "audio/mpeg";
         private SpeechToTextService _service;