fix(json): honor skipped test compilation

Author: chaokunyang

java/fory-json/pom.xml

@@ -273,6 +273,7 @@
                   <goal>run</goal>
                 </goals>
                 <configuration>
+                  <skip>${maven.test.skip}</skip>
                   <target>
                     <javac srcdir="${project.basedir}/src/test/java17"
                            destdir="${project.build.testOutputDirectory}"

java/fory-json/src/main/java/org/apache/fory/json/resolver/JsonNativeSubtypeRegistry.java

@@ -84,8 +84,12 @@ private Key(Class<?> baseType, Class<?> mixinType) {
 
     @Override
     public boolean equals(Object other) {
-      if (this == other) return true;
-      if (!(other instanceof Key)) return false;
+      if (this == other) {
+        return true;
+      }
+      if (!(other instanceof Key)) {
+        return false;
+      }
       Key key = (Key) other;
       return baseType == key.baseType && mixinType == key.mixinType;
     }