PR for ability to easily debug newly created codegen classes. (#2388)

* 2nd attempt to make the automatic checkin testing work

* trying to submit the samples in hopes that the CI matches them and passes

* found some samples I hadn't updated.  Maybe this is it?

samples/client/petstore/scala-httpclient/bin/StoreApiTest.scala

@@ -0,0 +1,71 @@
+import org.openapitools.client._
+import org.openapitools.client.api._
+import org.openapitools.client.model._
+import org.joda.time.DateTime
+
+import org.junit.runner.RunWith
+import org.scalatest.junit.JUnitRunner
+import org.scalatest._
+
+import scala.collection.mutable.{ ListBuffer, HashMap }
+import scala.collection.JavaConverters._
+import scala.beans.BeanProperty
+import java.util.Date
+
+@RunWith(classOf[JUnitRunner])
+class StoreApiTest extends FlatSpec with Matchers {
+  behavior of "StoreApi"
+  val api = new StoreApi
+
+  api.apiInvoker.defaultHeaders += "api_key" -> "special-key"
+
+  it should "place and fetch an order" in {
+    val now = new Date()
+    val order = Order(
+      petId = Some(10),
+      id = Some(1000),
+      quantity = Some(101),
+      status = Some("pending"),
+      shipDate = Some(now),
+      complete = Some(true))
+
+    api.placeOrder(order)
+
+    api.getOrderById(1000) match {
+      case Some(order) => {
+        order.id.get should be(1000)
+        order.petId.get should be(10)
+        order.quantity.get should be(101)
+        order.shipDate.get.getTime().equals(now.getTime()) should be(true)
+      }
+      case None => fail("didn't find order created")
+    }
+  }
+
+  it should "delete an order" in {
+    val now = new Date()
+    val order = Order(
+      id = Some(1001),
+      petId = Some(10),
+      quantity = Some(101),
+      status = Some("pending"),
+      shipDate = Some(now),
+      complete = Some(true))
+
+    api.placeOrder(order)
+
+    api.getOrderById(1001) match {
+      case Some(order) => order.id should be(Some(1001))
+      case None => fail("didn't find order created")
+    }
+
+    api.deleteOrder("1001")
+    /* comment out the following as the client cannot handle
+     * 4xx response yet
+    api.getOrderById(1001) match {
+      case Some(order) => fail("order should have been deleted")
+      case None =>
+    }
+     */
+  }
+}