Revert "Reverting change in node_pool test"

This reverts commit e01a62f.

Author: marko7460

test/integration/node_pool/controls/kubectl.rb

@@ -78,7 +78,12 @@
               effect: "PreferNoSchedule",
               key: "all-pools-example",
               value: "true",
-            }
+            },
+            {
+              effect: "NoSchedule",
+              key: "nvidia.com/gpu",
+              value: "present",
+            },
           ])
         end
       end