Fixed test compilation

yadavan88 · yadavan88 · commit b0617fad7923 · 2023-08-30T18:38:05.000+02:00
diff --git a/scala-core-collections-2/src/test/scala-2/com/baeldung/scala/flattening/FlattenerSpec.scala b/scala-core-collections-2/src/test/scala-2/com/baeldung/scala/flattening/FlattenerSpec.scala
@@ -1,6 +1,7 @@
 package com.baeldung.scala.flattening
 
 import org.scalatest.wordspec.AnyWordSpec
+import Flattener._
 
 import scala.collection.immutable.Queue
 
