fix serialization unit tests

This commit fixes the serialization unit tests. The integration tests for these queries were fixed, but the fields on the expected JSON were missed.

Author: russcam

src/Tests/Tests/QueryDsl/Joining/HasChild/HasChildQueryUsageTests.cs

@@ -34,7 +34,7 @@ public HasChildUsageTests(ReadOnlyCluster i, EndpointUsage usage) : base(i, usag
 			{
 				_name = "named_query",
 				boost = 1.1,
-				type = "commitActivity",
+				type = "commits",
 				score_mode = "avg",
 				min_children = 1,
 				max_children = 5,

src/Tests/Tests/QueryDsl/Specialized/MoreLikeThis/MoreLikeThisFullDocumentQueryUsageTests.cs

@@ -31,7 +31,7 @@ public MoreLikeThisFullDocumentQueryUsageTests(ReadOnlyCluster i, EndpointUsage
 					{
 						_index = "project",
 						_id = Project.Instance.Name,
-						_routing = Project.Instance.Name,
+						routing = Project.Instance.Name,
 						doc = Project.InstanceAnonymous
 					},
 					"some long text"

src/Tests/Tests/QueryDsl/Specialized/MoreLikeThis/MoreLikeThisQueryUsageTests.cs

@@ -79,7 +79,8 @@ public MoreLikeThisQueryUsageTests(ReadOnlyCluster i, EndpointUsage usage) : bas
 					new
 					{
 						_index = "project",
-						_id = Project.Instance.Name
+						_id = Project.Instance.Name,
+						routing = Project.Instance.Name
 					},
 					"some long text"
 				},