message: test(types) Fix an import issue.
diff: @@ -144,8 +144,8 @@ where
  #[cfg(test)]
  mod tests {
  use super::*;
  + use crate::entity::PrimaryMap;
  use crate::lib::std::vec::Vec;
  - use crate::primary::PrimaryMap;
  // `EntityRef` impl for testing.
  #[derive(Clone, Copy, Debug, PartialEq, Eq)]
  