Fix unit test regression wrt #223-related change to defaults

Author: cowtowncoder

src/test/java/tools/jackson/core/write/ArrayGenerationTest.java

@@ -8,6 +8,8 @@
 import org.junit.jupiter.api.Test;
 
 import tools.jackson.core.*;
+import tools.jackson.core.json.JsonFactory;
+import tools.jackson.core.json.JsonWriteFeature;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.fail;
@@ -17,7 +19,11 @@
  */
 class ArrayGenerationTest extends JUnit5TestBase
 {
-    private final TokenStreamFactory FACTORY = newStreamFactory();
+    // 17-Sep-2024, tatu: [core#223] change to surrogates, let's use old behavior
+    //   for now for simpler testing
+    private final JsonFactory FACTORY = streamFactoryBuilder()
+            .disable(JsonWriteFeature.COMBINE_UNICODE_SURROGATES_IN_UTF8)
+            .build();
 
     protected TokenStreamFactory jsonFactory() {
         return FACTORY;

src/test/java/tools/jackson/core/write/FastDoubleArrayGenerationTest.java

@@ -2,9 +2,15 @@
 
 import tools.jackson.core.StreamWriteFeature;
 import tools.jackson.core.json.JsonFactory;
+import tools.jackson.core.json.JsonWriteFeature;
 
 public class FastDoubleArrayGenerationTest extends ArrayGenerationTest {
-    private final JsonFactory FACTORY = JsonFactory.builder().enable(StreamWriteFeature.USE_FAST_DOUBLE_WRITER).build();
+    private final JsonFactory FACTORY = streamFactoryBuilder()
+            .enable(StreamWriteFeature.USE_FAST_DOUBLE_WRITER)
+            // 17-Sep-2024, tatu: [core#223] change to surrogates, let's use old behavior
+            //   for now for simpler testing
+            .disable(JsonWriteFeature.COMBINE_UNICODE_SURROGATES_IN_UTF8)
+            .build();
 
     @Override
     protected JsonFactory jsonFactory() {