fix(json):change test class

Author: LegendPei

seata-spring-autoconfigure/seata-spring-autoconfigure-client/src/test/java/org/apache/seata/spring/boot/autoconfigure/properties/SeataJsonPropertiesTest.java

@@ -42,6 +42,7 @@ public void testSeataJsonProperties() {
     public void testAllowlistAppliedToManager() {
         SeataJsonProperties props = new SeataJsonProperties();
         props.setAllowlist("com.test.model.,com.test.dto.,com.test.SpecialBean");
+        props.init();
 
         // Prefix match
         Assertions.assertTrue(JsonAllowlistManager.getInstance().isAllowed("com.test.model.User"));