be Scala 2.13 friendly

for now, for the 2.13 community build. and as a start at possible
future real 2.13 support

1 files changed, 3 insertions, 2 deletions

diff --git a/src/test/scala/spray/json/JsonParserSpec.scala b/src/test/scala/spray/json/JsonParserSpec.scala
index 0f7ae7f..d7db026 100644
--- a/src/test/scala/spray/json/JsonParserSpec.scala
+++ b/src/test/scala/spray/json/JsonParserSpec.scala
@@ -74,7 +74,8 @@ class JsonParserSpec extends Specification {
     }
     "be reentrant" in {
       val largeJsonSource = scala.io.Source.fromInputStream(getClass.getResourceAsStream("/test.json")).mkString
-      List.fill(20)(largeJsonSource).par.map(JsonParser(_)).toList.map {
+      import scala.collection.parallel.immutable.ParSeq
+      ParSeq.fill(20)(largeJsonSource).map(JsonParser(_)).toList.map {
           _.asInstanceOf[JsObject].fields("questions").asInstanceOf[JsArray].elements.size
       } === List.fill(20)(100)
     }
@@ -108,4 +109,4 @@ class JsonParserSpec extends Specification {
           |""".stripMargin
     }
   }
-}
\ No newline at end of file
+}