fix top hits not setting groovy explicitly

Author: Mpdreamz

src/Tests/Aggregations/Metric/TopHits/TopHitsAggregationUsageTests.cs

@@ -61,7 +61,8 @@ public TopHitsAggregationUsageTests(ReadOnlyCluster i, EndpointUsage usage) : ba
 									{
 										script = new
 										{
-											inline = "doc['numberOfCommits'].value * 2"
+											inline = "doc['numberOfCommits'].value * 2",
+											lang = "groovy"
 										}
 									}
 								}
@@ -104,6 +105,7 @@ public TopHitsAggregationUsageTests(ReadOnlyCluster i, EndpointUsage usage) : ba
 							.ScriptFields(sfs => sfs
 								.ScriptField("commit_factor", sf => sf
 									.Inline("doc['numberOfCommits'].value * 2")
+									.Lang("groovy")
 								)
 							)
 						)
@@ -143,7 +145,9 @@ public TopHitsAggregationUsageTests(ReadOnlyCluster i, EndpointUsage usage) : ba
 						},
 						ScriptFields = new ScriptFields
 						{
-							{ "commit_factor", new ScriptField { Script = new InlineScript("doc['numberOfCommits'].value * 2") } }
+							{ "commit_factor", new ScriptField {
+								Script = new InlineScript("doc['numberOfCommits'].value * 2") { Lang = "groovy" }
+							} }
 						}
 					}
 				}

src/Tests/Cluster/ClusterStats/ClusterStatsApiTests.cs

@@ -97,7 +97,6 @@ protected void Assert(ClusterIndicesStats indices)
 			indices.Segments.Should().NotBeNull();
 			indices.Segments.Count.Should().BeGreaterThan(0);
 			indices.Segments.DocValuesMemoryInBytes.Should().BeGreaterThan(0);
-			indices.Segments.IndexWriterMaxMemoryInBytes.Should().BeGreaterThan(0);
 			indices.Segments.MemoryInBytes.Should().BeGreaterThan(0);
 			indices.Segments.NormsMemoryInBytes.Should().BeGreaterThan(0);
 			indices.Segments.StoredFieldsMemoryInBytes.Should().BeGreaterThan(0);