content/flux/v0/stdlib/testing/expect/planner.md
expect.planner() will cause the present testcase to
expect the given planner rules will be invoked
exactly as many times as the number given.
The key is the name of the planner rule.
(rules: [string:int]) => {}
{{% caption %}} For more information, see Function type signatures. {{% /caption %}}
({{< req >}}) Mapping of rules names to expected counts.