Remove temporary test method.

Original pull request: #4720

Author: christophstrobl

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/aggregation/AggregationOperationRendererUnitTests.java

@@ -15,20 +15,14 @@
  */
 package org.springframework.data.mongodb.core.aggregation;
 
-import static org.mockito.Mockito.*;
-import static org.springframework.data.domain.Sort.Direction.*;
-import static org.springframework.data.mongodb.core.aggregation.Aggregation.*;
+import static org.mockito.Mockito.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
 
 import java.util.List;
 
 import org.junit.jupiter.api.Test;
 
-import org.springframework.data.annotation.Id;
-import org.springframework.data.mongodb.core.convert.MappingMongoConverter;
-import org.springframework.data.mongodb.core.convert.NoOpDbRefResolver;
-import org.springframework.data.mongodb.core.convert.QueryMapper;
-import org.springframework.data.mongodb.test.util.MongoTestMappingContext;
-
 /**
  * @author Christoph Strobl
  */
@@ -46,33 +40,4 @@ void nonFieldsExposingAggregationOperationContinuesWithSameContextForNextStage()
 		verify(stage1).toPipelineStages(eq(rootContext));
 		verify(stage2).toPipelineStages(eq(rootContext));
 	}
-
-	record TestRecord(@Id String field1, String field2, LayerOne layerOne) {
-		record LayerOne(List<LayerTwo> layerTwo) {
-		}
-
-		record LayerTwo(LayerThree layerThree) {
-		}
-
-		record LayerThree(int fieldA, int fieldB)
-		{}
-	}
-
-	@Test
-	void xxx() {
-
-		MongoTestMappingContext ctx = new MongoTestMappingContext(cfg -> {
-			cfg.initialEntitySet(TestRecord.class);
-		});
-
-		MappingMongoConverter mongoConverter = new MappingMongoConverter(NoOpDbRefResolver.INSTANCE, ctx);
-
-		Aggregation agg = Aggregation.newAggregation(
-			Aggregation.unwind("layerOne.layerTwo"),
-			project().and("layerOne.layerTwo.layerThree").as("layerOne.layerThree"),
-			sort(DESC, "layerOne.layerThree.fieldA")
-		);
-
-		AggregationOperationRenderer.toDocument(agg.getPipeline().getOperations(), new RelaxedTypeBasedAggregationOperationContext(TestRecord.class, ctx, new QueryMapper(mongoConverter)));
-	}
 }