Adding link to functional tests

Author: blackboxlogic

README.md

@@ -1,4 +1,4 @@
-![.NET Core](https://github.com/blackboxlogic/OsmApiClient/workflows/.NET%20Core/badge.svg?branch=master)
+![Build is](https://github.com/blackboxlogic/OsmApiClient/workflows/.NET%20Core/badge.svg?branch=master)
 # OsmApiClient
 This is a simple C# client to allow using [OSM API](https://wiki.openstreetmap.org/wiki/API_v0.6) easily.
 Please read the API's documentation and use it responsibly. Misuse can have an adverse affect on the OSM ecosystem.
@@ -33,7 +33,7 @@ node.Version = await client.DeleteElement(changeSetId, node);
 await client.CloseChangeset(changeSetId);
 ```
 
-See the tests for examples of each operation.
+See the [functional tests](https://github.com/blackboxlogic/OsmApiClient/blob/master/FunctionalTests/Tests.cs) for examples of each operation.
 
 # Supported Operations