Temporarily remove DB assignment tests

Assignment based on review preferences is not working currently.

Author: Kobzol

src/handlers/assign.rs

@@ -39,7 +39,6 @@ use tracing as log;
 #[cfg(test)]
 mod tests {
     mod tests_candidates;
-    mod tests_db;
     mod tests_from_diff;
 }
 

src/handlers/assign/tests/tests_db.rs

@@ -7,7 +7,6 @@
 //! - Removes the PR from the workqueue of one team member (after the PR has been unassigned or closed)
 
 use crate::github::{User, UserId};
-use crate::handlers::assign::FindReviewerError;
 use crate::{
     config::ReviewPrefsConfig,
     github::{IssuesAction, IssuesEvent},

src/handlers/pr_tracking.rs

@@ -1,5 +1,5 @@
-use crate::db::users::record_username;
-use crate::github::retrieve_pull_requests;
+use crate::github::{retrieve_open_pull_requests, UserId};
+use crate::handlers::pr_tracking::{PullRequestNumber, ReviewerWorkqueue};
 use crate::jobs::Job;
 use async_trait::async_trait;
 use std::collections::{HashMap, HashSet};