increase toStrictTimeout from 5 to 30 seconds (#4728)

diff --git a/tests/src/test/scala/common/rest/WskRestOperations.scala b/tests/src/test/scala/common/rest/WskRestOperations.scala
index fcf0301..eab37bc 100644
--- a/tests/src/test/scala/common/rest/WskRestOperations.scala
+++ b/tests/src/test/scala/common/rest/WskRestOperations.scala
@@ -1131,7 +1131,7 @@
 
   val protocol: String = loadConfigOrThrow[String]("whisk.controller.protocol")
   val idleTimeout: FiniteDuration = 90 seconds
-  val toStrictTimeout: FiniteDuration = 5 seconds
+  val toStrictTimeout: FiniteDuration = 30 seconds
   val queueSize = 10
   val maxOpenRequest = 1024
   val basePath = Path("/api/v1")