fix scalatest deprecations

Author: viktortnk

tests/src/test/scala/com/whisk/docker/testkit/test/ElasticsearchServiceTest.scala

@@ -1,9 +1,9 @@
 package com.whisk.docker.testkit.test
 
 import com.whisk.docker.testkit.{ContainerState, DockerElasticsearchService}
-import org.scalatest.FunSuite
+import org.scalatest.funsuite.AnyFunSuite
 
-class ElasticsearchServiceTest extends FunSuite with DockerElasticsearchService {
+class ElasticsearchServiceTest extends AnyFunSuite with DockerElasticsearchService {
 
   test("test container started") {
     assert(elasticsearchContainer.state().isInstanceOf[ContainerState.Ready],

tests/src/test/scala/com/whisk/docker/testkit/test/MongodbServiceTest.scala

@@ -1,9 +1,9 @@
 package com.whisk.docker.testkit.test
 
 import com.whisk.docker.testkit.{ContainerState, DockerMongodbService}
-import org.scalatest.FunSuite
+import org.scalatest.funsuite.AnyFunSuite
 
-class MongodbServiceTest extends FunSuite with DockerMongodbService {
+class MongodbServiceTest extends AnyFunSuite with DockerMongodbService {
 
   test("test container started") {
     assert(mongodbContainer.state().isInstanceOf[ContainerState.Ready], "mongodb is ready")

tests/src/test/scala/com/whisk/docker/testkit/test/MultiContainerTest.scala

@@ -1,10 +1,10 @@
 package com.whisk.docker.testkit.test
 
 import com.whisk.docker.testkit._
-import org.scalatest.FunSuite
+import org.scalatest.funsuite.AnyFunSuite
 
 class MultiContainerTest
-    extends FunSuite
+    extends AnyFunSuite
     with DockerElasticsearchService
     with DockerMongodbService {
 

tests/src/test/scala/com/whisk/docker/testkit/test/MysqlServiceTest.scala

@@ -1,9 +1,9 @@
 package com.whisk.docker.testkit.test
 
 import com.whisk.docker.testkit.{ContainerState, DockerMysqlService}
-import org.scalatest.FunSuite
+import org.scalatest.funsuite.AnyFunSuite
 
-class MysqlServiceTest extends FunSuite with DockerMysqlService {
+class MysqlServiceTest extends AnyFunSuite with DockerMysqlService {
 
   test("test container started") {
     assert(mysqlContainer.state().isInstanceOf[ContainerState.Ready], "mysql is ready")

tests/src/test/scala/com/whisk/docker/testkit/test/PostgresServiceTest.scala

@@ -1,9 +1,9 @@
 package com.whisk.docker.testkit.test
 
 import com.whisk.docker.testkit.{ContainerState, DockerPostgresService}
-import org.scalatest.FunSuite
+import org.scalatest.funsuite.AnyFunSuite
 
-class PostgresServiceTest extends FunSuite with DockerPostgresService {
+class PostgresServiceTest extends AnyFunSuite with DockerPostgresService {
 
   test("test container started") {
     assert(postgresContainer.state().isInstanceOf[ContainerState.Ready], "postgres is ready")