Update scalatest dependency to v.3.1.0 (#78)

Author: tperek

project/Dependencies.scala

@@ -6,7 +6,7 @@ object Dependencies {
   val akkaActor  = "com.typesafe.akka" %% "akka-actor"  % "2.5.25"
   val sprayJson  = "io.spray"          %% "spray-json"  % "1.3.5"
   val jsonLenses = "net.virtual-void"  %% "json-lenses" % "0.6.2"
-  val scalatest  = "org.scalatest"     %% "scalatest"   % "3.0.8"
+  val scalatest  = "org.scalatest"     %% "scalatest"   % "3.1.0"
   // format: ON
 
   // Dependency scoping functions

stamina-core/src/test/scala/stamina/StaminaSpec.scala

@@ -1,9 +1,11 @@
 package stamina
 
 import org.scalatest._
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.wordspec.AnyWordSpecLike
 
 abstract class StaminaSpec
-  extends WordSpecLike
+  extends AnyWordSpecLike
   with Matchers
   with OptionValues
   with TryValues

stamina-json/src/test/scala/stamina/json/StaminaJsonSpec.scala

@@ -1,9 +1,11 @@
 package stamina.json
 
 import org.scalatest._
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.wordspec.AnyWordSpecLike
 
 abstract class StaminaJsonSpec
-  extends WordSpecLike
+  extends AnyWordSpecLike
   with Matchers
   with OptionValues
   with TryValues

stamina-testkit/src/main/scala/stamina/testkit/StaminaTestKit.scala

@@ -6,7 +6,7 @@ import java.util.Base64
 
 import scala.util._
 
-trait StaminaTestKit { self: org.scalatest.WordSpecLike =>
+trait StaminaTestKit { self: org.scalatest.wordspec.AnyWordSpecLike =>
 
   val defaultSampleId = "default"
   case class PersistableSample[FromVersion <: Version: VersionInfo](sampleId: String, persistable: AnyRef, description: Option[String]) {
@@ -20,7 +20,7 @@ trait StaminaTestKit { self: org.scalatest.WordSpecLike =>
   def sample(sampleId: String, persistable: AnyRef) = new PersistableSample[V1](sampleId, persistable, Some(sampleId))
   def sample(sampleId: String, persistable: AnyRef, description: String) = new PersistableSample[V1](sampleId, persistable, Some(description))
 
-  implicit class TestablePersisters(persisters: Persisters) extends org.scalatest.Matchers {
+  implicit class TestablePersisters(persisters: Persisters) extends org.scalatest.matchers.should.Matchers {
     def generateTestsFor(samples: PersistableSample[_]*): Unit = {
       samples.foreach { sample =>
         generateRoundtripTestFor(sample)

stamina-testkit/src/test/scala/stamina/testkit/ScalatestTestGenerationSpec.scala

@@ -6,6 +6,7 @@ import java.io.File
 import org.scalatest._
 import org.scalatest.events._
 import org.scalatest.matchers.{ BePropertyMatchResult, BePropertyMatcher }
+import org.scalatest.wordspec.AnyWordSpecLike
 
 import scala.reflect.ClassTag
 
@@ -20,7 +21,7 @@ class ScalatestTestGenerationSpec extends StaminaTestKitSpec {
 
   "A spec generated by StaminaTestKit" when {
     "there is only version 1" should {
-      val spec = new StaminaTestKit with WordSpecLike {
+      val spec = new StaminaTestKit with AnyWordSpecLike {
         val persisters = Persisters(ItemPersister("item1"))
         "TestDomainSerialization" should {
           persisters.generateTestsFor(
@@ -66,7 +67,7 @@ class ScalatestTestGenerationSpec extends StaminaTestKitSpec {
     }
 
     "the sample is only suitable for version 2 and up" should {
-      val spec = new StaminaTestKit with WordSpecLike {
+      val spec = new StaminaTestKit with AnyWordSpecLike {
         val persisters = Persisters(ItemPersister("item2"))
         "TestDomainSerialization" should {
           persisters.generateTestsFor(
@@ -86,7 +87,7 @@ class ScalatestTestGenerationSpec extends StaminaTestKitSpec {
     }
 
     "a sample is available for both version 1 and (the migrated event) version 2" should {
-      val spec = new StaminaTestKit with WordSpecLike {
+      val spec = new StaminaTestKit with AnyWordSpecLike {
         val persisters = Persisters(ItemPersister("item1"))
         "TestDomainSerialization" should {
           persisters.generateTestsFor(
@@ -108,7 +109,7 @@ class ScalatestTestGenerationSpec extends StaminaTestKitSpec {
     }
   }
 
-  private def execSpec(spec: WordSpecLike): EventRecordingReporter = {
+  private def execSpec(spec: AnyWordSpecLike): EventRecordingReporter = {
     val myRep = new EventRecordingReporter
     spec.run(None, Args(myRep, Stopper.default, Filter(), ConfigMap.empty, None, new Tracker, Set.empty))
     myRep

stamina-testkit/src/test/scala/stamina/testkit/StaminaTestKitSpec.scala

@@ -2,9 +2,11 @@ package stamina
 package testkit
 
 import org.scalatest._
+import org.scalatest.matchers.should.Matchers
+import org.scalatest.wordspec.AnyWordSpecLike
 
 abstract class StaminaTestKitSpec
-  extends WordSpecLike
+  extends AnyWordSpecLike
   with Matchers
   with OptionValues
   with TryValues