diff -r 7acbef680bef -r f5c0749858fd main_marking5/bf_test4.scala
--- a/main_marking5/bf_test4.scala	Sun Jan 15 10:58:13 2023 +0000
+++ b/main_marking5/bf_test4.scala	Sat Mar 11 22:01:53 2023 +0000
@@ -1,5 +1,13 @@
 import M5a._
 
+
+import scala.concurrent._
+import scala.concurrent.duration._
+import ExecutionContext.Implicits.global
+import scala.language.postfixOps 
+
+lazy val f = Future {
+
 assert(run("[-]", Map(0 -> 100)) == Map(0 -> 0))
 assert(run("[->+<]", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10))
 assert(run("[>>+>>+<<<<-]", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42))
@@ -13,3 +21,8 @@
                    +++++++..+++.>>.<-.<.+++.------.--------.>>+.>++."""
 
 assert(run(hw_urban1) == Map(0 -> 0, 5 -> 33, 1 -> 0, 6 -> 10, 2 -> 72, 3 -> 100, 4 -> 87))
+
+}
+
+Await.result(f, 32 second)
+