Fix test cases.

Author: style95

tests/src/test/scala/org/apache/openwhisk/core/database/mongodb/MongoDBStoreBehaviorBase.scala

@@ -25,7 +25,7 @@ import org.testcontainers.containers.MongoDBContainer
 import pureconfig.loadConfigOrThrow
 import pureconfig.generic.auto._
 
-import scala.reflect.{ClassTag, classTag}
+import scala.reflect.{classTag, ClassTag}
 
 trait MongoDBStoreBehaviorBase extends FlatSpec with ArtifactStoreBehaviorBase {
   val imageName = loadConfigOrThrow[String]("whisk.mongodb.docker-image")

tests/src/test/scala/org/apache/openwhisk/core/scheduler/queue/test/MemoryQueueTests.scala

@@ -26,7 +26,6 @@ import org.apache.openwhisk.core.entity._
 import org.apache.openwhisk.core.entity.size._
 import org.apache.openwhisk.core.etcd.EtcdKV.ContainerKeys.{existingContainers, inProgressContainer}
 import org.apache.openwhisk.core.etcd._
-import org.apache.openwhisk.core.scheduler.SchedulingConfig
 import org.apache.openwhisk.core.scheduler.grpc.{GetActivation, ActivationResponse => GetActivationResponse}
 import org.apache.openwhisk.core.scheduler.message.{ContainerCreation, FailedCreationJob, SuccessfulCreationJob}
 import org.apache.openwhisk.core.scheduler.queue.MemoryQueue.checkToDropStaleActivation

tests/src/test/scala/org/apache/openwhisk/core/scheduler/queue/test/MemoryQueueTestsFixture.scala

@@ -44,7 +44,7 @@ import org.apache.openwhisk.core.service.{
 }
 import org.scalamock.scalatest.MockFactory
 
-import scala.concurrent.duration.{DurationInt, FiniteDuration}
+import scala.concurrent.duration.{DurationInt}
 import scala.concurrent.{ExecutionContextExecutor, Future}
 import scala.language.{higherKinds, postfixOps}
 

tests/src/test/scala/org/apache/openwhisk/core/scheduler/queue/test/SchedulingDecisionMakerTests.scala

@@ -1,7 +1,6 @@
 package org.apache.openwhisk.core.scheduler.queue.test
 
 import java.util.concurrent.atomic.AtomicInteger
-
 import akka.actor.ActorSystem
 import akka.testkit.{TestKit, TestProbe}
 import common.StreamLogging
@@ -11,6 +10,8 @@ import org.apache.openwhisk.core.scheduler.queue._
 import org.scalatest.concurrent.ScalaFutures
 import org.scalatest.{FlatSpecLike, Matchers}
 
+import scala.concurrent.duration.DurationInt
+
 class SchedulingDecisionMakerTests
     extends TestKit(ActorSystem("SchedulingDecisionMakerTests"))
     with FlatSpecLike