fix: rename overview.md files to avoid conflicts and add collection name

bin/supervisor/src/store.rs

@@ -152,11 +152,10 @@ mod tests {
     }
 
     fn create_test_job(id: &str, runner: &str) -> Job {
-        let mut job = JobBuilder::new()
+        let job = JobBuilder::new()
             .caller_id("test_caller")
             .context_id("test_context")
             .runner(runner)
-            .executor("test")
             .payload("test payload")
             .build()
             .unwrap();