fix broken critical cucumber test (#4458)

Description
---
Fixes `Pruned node should prune outputs` cucumber test

integration_tests/features/Propagation.feature

@@ -91,7 +91,7 @@ Feature: Block Propagation
     Then node MINER is at height 7
     Then all nodes are at height 7
 
-  @critical @pruned @broken
+  @critical @pruned
   Scenario: Pruned node should prune outputs
     Given I have 1 seed nodes
     And I have a base node SENDER connected to all seed nodes
@@ -104,5 +104,4 @@ Feature: Block Propagation
     Then TX1 is in the MINED of all nodes
     When I mine 17 blocks on SENDER
     Then all nodes are on the same chain at height 21
-    # Then node PNODE1 has a pruned height of 16
-    Then node PNODE1 has a pruned height of 14
+    Then node PNODE1 has a pruned height of 16