remove debug printlines in test

Author: ruolin59

coral-schema/src/main/java/com/linkedin/coral/schema/avro/MergeHiveSchemaWithAvro.java

@@ -177,19 +177,13 @@ public Schema mapKeyPartner(Schema partner) {
     @Override
     public Schema mapValuePartner(Schema partner) {
       Schema schema = SchemaUtilities.extractIfOption(partner);
-      if (schema.getType() != Schema.Type.MAP) {
-        return null;
-      }
-      return schema.getValueType();
+      return (schema.getType() == Schema.Type.MAP) ? schema.getValueType() : null;
     }
 
     @Override
     public Schema listElementPartner(Schema partner) {
       Schema schema = SchemaUtilities.extractIfOption(partner);
-      if (schema.getType() != Schema.Type.ARRAY) {
-        return null;
-      }
-      return schema.getElementType();
+      return (schema.getType() == Schema.Type.ARRAY) ? schema.getElementType() : null;
     }
 
     @Override

coral-schema/src/test/java/com/linkedin/coral/schema/avro/MergeHiveSchemaWithAvroTests.java

@@ -285,14 +285,6 @@ public void shouldHandleSingleElementUnionsInAllTypes() {
     Schema expected = avro;
 
     Schema actual = merge(hive, avro);
-    
-    System.out.println("\n=== INPUT AVRO SCHEMA ===");
-    System.out.println(avro.toString(true));
-    System.out.println("\n=== EXPECTED OUTPUT SCHEMA ===");
-    System.out.println(expected.toString(true));
-    System.out.println("\n=== ACTUAL OUTPUT SCHEMA ===");
-    System.out.println(actual.toString(true));
-    System.out.println("\n=== END ===\n");
 
     assertSchema(expected, actual);
   }
@@ -331,14 +323,6 @@ public void shouldHandleSingleElementUnionsWithHiveUnionType() {
     Schema expected = avro;
 
     Schema actual = merge(hive, avro);
-    
-    System.out.println("\n=== INPUT AVRO SCHEMA (HiveUnionType test) ===");
-    System.out.println(avro.toString(true));
-    System.out.println("\n=== EXPECTED OUTPUT SCHEMA (HiveUnionType test) ===");
-    System.out.println(expected.toString(true));
-    System.out.println("\n=== ACTUAL OUTPUT SCHEMA (HiveUnionType test) ===");
-    System.out.println(actual.toString(true));
-    System.out.println("\n=== END ===\n");
 
     assertSchema(expected, actual);
   }