reduce scheduler througput (awslabs#398)

Author: hakuna-matatah

tests/tasks/generators/clusterloader/load.yaml

@@ -70,7 +70,7 @@ spec:
       cat > "$(workspaces.source.path)/overrides.yaml" <<EOL
       NODES_PER_NAMESPACE: $(params.nodes-per-namespace)
       CL2_LOAD_TEST_THROUGHPUT: $(params.cl2-load-test-throughput)
-      CL2_SCHEDULER_THROUGHPUT_THRESHOLD: 70
+      CL2_SCHEDULER_THROUGHPUT_THRESHOLD: 25
       PODS_PER_NODE: $(params.pods-per-node)
       CL2_USE_HOST_NETWORK_PODS: false
       # we are not testing statefulsets at this point