fix for nimInAction

tests/niminaction/Chapter7/Tweeter/src/createDatabase.nim

@@ -1,6 +1,10 @@
+discard """
+output: "Database created successfully!"
+"""
+
 import database
 
 var db = newDatabase()
 db.setup()
 echo("Database created successfully!")
-db.close()
+db.close()

tests/niminaction/Chapter7/Tweeter/src/tweeter.nim

@@ -1,3 +1,7 @@
+discard """
+action: compile
+"""
+
 import asyncdispatch, times
 
 import jester

tests/niminaction/Chapter7/Tweeter/tests/database_test.nim

@@ -1,3 +1,7 @@
+discard """
+outputsub: "All tests finished successfully!"
+"""
+
 import database, os, times
 
 when isMainModule: