error: query_cache_policy accepts only one key source: key, collection, or entity + id
 --> tests/policy/fail_conflicting_key_sources.rs:4:19
  |
4 |       let _policy = query_cache_policy!(
  |  ___________________^
5 | |         key = "user:1",
6 | |         collection = "users",
7 | |     );
  | |_____^
  |
  = note: this error originates in the macro `query_cache_policy` (in Nightly builds, run with -Z macro-backtrace for more info)
