Dependency Injection tests for various providers

[jithu7432]

Dependency Injection tests for various providers like:

• Microsoft.Extensions.DependencyInjection
• AutoFac
• DryIoC

Used xUnit.net fixtures to abstract away the IServiceProvider, and tests are also abstracted.

If this looks good, then I can:

• Add the remaining providers in the samples/.
• Add tests for Generic implementations.
• Add tests for pipelines, and behaviours.

[jithu7432]

Status	Test	Time
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Internal_RequestHandler	[< 1 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Internal_Stream_Request_Handlers	[< 1 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Internal_Void_RequestHandler	[< 1 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Mediator	[1 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Private_RequestHandler	[< 1 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Private_Stream_Request_Handlers	[< 1 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Private_Void_RequestHandler	[< 1 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Public_Private_Internal_Notification_Handlers	[2 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Public_RequestHandler	[< 1 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Public_Stream_Request_Handlers	[< 1 ms]
Passed	AutoFacDependencyInjectionTests.Should_Resolve_Public_Void_RequestHandler	[29 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Internal_RequestHandler	[< 1 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Internal_Stream_Request_Handlers	[< 1 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Internal_Void_RequestHandler	[< 1 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Mediator	[1 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Private_RequestHandler	[< 1 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Private_Stream_Request_Handlers	[< 1 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Private_Void_RequestHandler	[< 1 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Public_Private_Internal_Notification_Handlers	[8 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Public_RequestHandler	[< 1 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Public_Stream_Request_Handlers	[< 1 ms]
Passed	DryIocDependencyInjectionTests.Should_Resolve_Public_Void_RequestHandler	[20 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Internal_RequestHandler	[< 1 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Internal_Stream_Request_Handlers	[< 1 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Internal_Void_RequestHandler	[< 1 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Mediator	[< 1 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Private_RequestHandler	[< 1 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Private_Stream_Request_Handlers	[13 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Private_Void_RequestHandler	[< 1 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Public_Private_Internal_Notification_Handlers	[3 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Public_RequestHandler	[< 1 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Public_Stream_Request_Handlers	[< 1 ms]
Passed	MicrosoftDependencyInjectionTests.Should_Resolve_Public_Void_RequestHandler	[< 1 ms]

[jithu7432]

Waiting for #1072