Update PropertiesUtilsTest.java

Author: mercyblitz

microsphere-java-core/src/test/java/io/microsphere/collection/PropertiesUtilsTest.java

@@ -22,6 +22,7 @@
 
 import static io.microsphere.collection.MapUtils.ofMap;
 import static io.microsphere.collection.PropertiesUtils.flatProperties;
+import static java.util.Collections.emptyList;
 import static java.util.Collections.emptyMap;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNull;
@@ -39,7 +40,7 @@ public class PropertiesUtilsTest {
     public void testFlatProperties() {
         Map<String, Object> level3Properties = ofMap("f", "F");
         Map<String, Object> level2Properties = ofMap("c", "C", "d", level3Properties);
-        Map<String, Object> properties = ofMap("a", "A", "b", level2Properties);
+        Map<String, Object> properties = ofMap("a", "A", "b", level2Properties, "z", emptyList());
         Map<String, Object> flattenProperties = flatProperties(properties);
         assertEquals("A", flattenProperties.get("a"));
         assertEquals("C", flattenProperties.get("b.c"));