Added test for codelens

Author: david-driscoll

src/Server/Matchers/ResolveCommandMatcher.cs

@@ -27,8 +27,8 @@ public IEnumerable<ILspHandlerDescriptor> FindHandler(object parameters, IEnumer
         {
             if (parameters is ICanBeResolved canBeResolved)
             {
-                var handleType = canBeResolved.Data?.Value<string>("handleType");
-                if (string.IsNullOrWhiteSpace(handleType))
+                var handlerType = canBeResolved.Data?.Value<string>("handlerType");
+                if (string.IsNullOrWhiteSpace(handlerType))
                 {
                     var descriptor = descriptors.FirstOrDefault();
                     _logger.LogTrace(
@@ -45,7 +45,7 @@ public IEnumerable<ILspHandlerDescriptor> FindHandler(object parameters, IEnumer
                     _logger.LogTrace("Checking handler {Method}:{Handler}",
                         descriptor.Method,
                         descriptor.Handler.GetType().FullName);
-                    if (descriptor.Handler.GetType().FullName == handleType)
+                    if (descriptor.Handler.GetType().FullName == handlerType || descriptor.HandlerType.FullName == handlerType)
                     {
                         canBeResolved.Data = canBeResolved.Data["data"];
                         yield return descriptor;

test/Lsp.Tests/Matchers/ExecuteCommandHandlerMatcherTests.cs

@@ -144,7 +144,8 @@ public void Should_Return_CodeLensResolve_Descriptor()
                         null,
                         null,
                         () => { }),
-                });
+                })
+                .ToArray();
 
             // Then
             result.Should().NotBeNullOrEmpty();