Create ObjectSerializerTest.scala

(cherry picked from commit af11cf4)

Author: pjfanning

src/test/scala/com/fasterxml/jackson/module/scala/ser/ObjectSerializerTest.scala

@@ -0,0 +1,28 @@
+package com.fasterxml.jackson.module.scala.ser
+
+import com.fasterxml.jackson.module.scala.DefaultScalaModule
+import org.junit.runner.RunWith
+import org.scalatestplus.junit.JUnitRunner
+
+object ObjectSerializerTest {
+  trait TraitWithoutJsonProperty {
+    val name = "name1"
+  }
+  object ObjectWithoutJsonProperty extends TraitWithoutJsonProperty {
+    val value = "value1"
+  }
+}
+
+@RunWith(classOf[JUnitRunner])
+class ObjectSerializerTest extends SerializerTest {
+
+  import ObjectSerializerTest._
+  def module = DefaultScalaModule
+
+  "An ObjectMapper with the DefaultScalaModule" should "serialize an object as a bean" in {
+    serialize(ObjectWithoutJsonProperty) should (
+       equal ("""{"name":"name1","value":"value1"}""") or
+       equal ("""{"value":"value1","name":"name1"}""")
+    )
+  }
+}