Continue to update unit testing and debugging MD to use VS 2017 (#4308)

* update unit teting aspnet web api and some images

* update image to display unit test's Text Explorer specific to VS2017

* update mocking EF md and its images

* Change the version of Moq used to the version that is compatible with VS 2015 and VS 2017

* update further to notify Moq version

* Update link of code sample to point to newer sample that uses VS 2017

* update wording based on PR feedback

aspnet/web-api/overview/testing-and-debugging/mocking-entity-framework-when-unit-testing-aspnet-web-api-2.md

@@ -28,7 +28,7 @@ by [Tom FitzMacken](https://github.com/tfitzmac)
 > ## Software versions used in the tutorial
 > 
 > 
-> - [Visual Studio 2013](https://www.microsoft.com/visualstudio/eng/2013-downloads)
+> - [Visual Studio 2017](https://www.visualstudio.com/vs/)
 > - Web API 2
 
 
@@ -52,12 +52,12 @@ If you have already completed the steps in [Unit Testing with ASP.NET Web API 2]
 <a id="prereqs"></a>
 ## Prerequisites
 
-Visual Studio 2013 or Visual Studio Express 2013 for Web
+Visual Studio 2017 Community, Professional or Enterprise editioo
 
 <a id="download"></a>
 ## Download code
 
-Download the [completed project](https://code.msdn.microsoft.com/Unit-Testing-with-ASPNET-e2867d4d). The downloadable project includes unit test code for this topic and for the [Unit Testing ASP.NET Web API 2](unit-testing-with-aspnet-web-api.md) topic.
+Download the [completed project](https://code.msdn.microsoft.com/Unit-Testing-with-ASPNET-1374bc11). The downloadable project includes unit test code for this topic and for the [Unit Testing ASP.NET Web API 2](unit-testing-with-aspnet-web-api.md) topic.
 
 <a id="appwithunittest"></a>
 ## Create application with unit test project

aspnet/web-api/overview/testing-and-debugging/unit-testing-controllers-in-web-api.md

@@ -21,10 +21,12 @@ by [Mike Wasson](https://github.com/MikeWasson)
 > 
 > ## Software versions used in the tutorial
 > 
-> 
+> - [Visual Studio 2017](https://www.visualstudio.com/vs/)
 > - Web API 2
-> - Moq 4.2
+> - [Moq](https://github.com/Moq) 4.5.30
 
+> [!NOTE]
+> I used Moq, but the same idea applies to any mocking framework. Moq 4.5.30 (and later) supports Visual Studio 2017, Roslyn and .NET 4.5 and later versions.
 
 A common pattern in unit tests is "arrange-act-assert":
 
@@ -63,15 +65,12 @@ The `Post` method calls **UrlHelper.Link** to create links in the response. This
 
 The **UrlHelper** class needs the request URL and route data, so the test has to set values for these. Another option is mock or stub **UrlHelper**. With this approach, you replace the default value of [ApiController.Url](https://msdn.microsoft.com/en-us/library/system.web.http.apicontroller.url.aspx) with a mock or stub version that returns a fixed value.
 
-Let's rewrite the test using the [Moq](https://github.com/Moq) framework.
+Let's rewrite the test using the [Moq](https://github.com/Moq) framework. Install the `Moq` NuGet package in the test project.
 
 [!code-csharp[Main](unit-testing-controllers-in-web-api/samples/sample4.cs)]
 
 In this version, you don't need to set up any route data, because the mock **UrlHelper** returns a constant string.
 
-> [!NOTE]
-> I used Moq, but the same idea applies to any mocking framework.
-
 
 ## Testing Actions that Return IHttpActionResult
 

aspnet/web-api/overview/testing-and-debugging/unit-testing-with-aspnet-web-api.md

@@ -28,7 +28,7 @@ by [Tom FitzMacken](https://github.com/tfitzmac)
 > ## Software versions used in the tutorial
 > 
 > 
-> - [Visual Studio 2013](https://www.microsoft.com/visualstudio/eng/2013-downloads)
+> - [Visual Studio 2017](https://www.visualstudio.com/vs/)
 > - Web API 2
 
 
@@ -50,12 +50,12 @@ This topic contains the following sections:
 <a id="prereqs"></a>
 ## Prerequisites
 
-Visual Studio 2013 or Visual Studio Express 2013 for Web
+Visual Studio 2017 Community, Professional or Enterprise edition
 
 <a id="download"></a>
 ## Download code
 
-Download the [completed project](https://code.msdn.microsoft.com/Unit-Testing-with-ASPNET-e2867d4d). The downloadable project includes unit test code for this topic and for the [Mocking Entity Framework when Unit Testing ASP.NET Web API](mocking-entity-framework-when-unit-testing-aspnet-web-api-2.md) topic.
+Download the [completed project](https://code.msdn.microsoft.com/Unit-Testing-with-ASPNET-1374bc11). The downloadable project includes unit test code for this topic and for the [Mocking Entity Framework when Unit Testing ASP.NET Web API](mocking-entity-framework-when-unit-testing-aspnet-web-api-2.md) topic.
 
 <a id="appwithunittest"></a>
 ## Create application with unit test project