fix failing unit tests after fixing integration tests against 6.0.0-alpha1

Author: Mpdreamz

src/Tests/Document/Multiple/DeleteByQuery/DeleteByQueryApiTests.cs

@@ -106,7 +106,7 @@ public DeleteByQueryWaitForCompletionApiTests(IntrusiveOperationCluster cluster,
 
 		protected override DeleteByQueryDescriptor<Project> NewDescriptor() => new DeleteByQueryDescriptor<Project>(this.CallIsolatedValue);
 
-		protected override object ExpectJson => new { };
+		protected override object ExpectJson => new { query = new { match_all = new { } } };
 
 		protected override Func<DeleteByQueryDescriptor<Project>, IDeleteByQueryRequest> Fluent => d => d
 			.Index(this.CallIsolatedValue)

src/Tests/Document/Multiple/UpdateByQuery/UpdateByQueryApiTests.cs

@@ -68,7 +68,7 @@ protected override LazyResponses ClientUsage() => Calls(
 
 		protected override bool SupportsDeserialization => false;
 
-		protected override object ExpectJson { get; } = new { };
+		protected override object ExpectJson { get; } = new { query = new { match_all = new { } } };
 
 		protected override UpdateByQueryDescriptor<Test> NewDescriptor() => new UpdateByQueryDescriptor<Test>(CallIsolatedValue).Type<Test>();
 

src/Tests/Indices/IndexSettings/IndexTemplates/PutIndexTemplate/PutIndexTemplateApiTests.cs

@@ -32,7 +32,7 @@ protected override LazyResponses ClientUsage() => Calls(
 		protected override object ExpectJson { get; } = new
 		{
 			order = 1,
-			template = "nestx-*",
+			index_patterns = new [] {"nestx-*" },
 			settings = new Dictionary<string, object> { { "index.number_of_shards", 1 } },
 			mappings = new
 			{