test: move sqlite tests to tests/

No inline exceptions; migrate via sqlite::migrate, renamed diary/social tests.

crates/adapters/sqlite/src/repositories/image_ref/mod.rs

@@ -64,6 +64,3 @@ impl ImageRefQuery for SqliteImageRefAdapter {
         Ok(rows.into_iter().map(|(k,)| k).collect())
     }
 }
-
-#[cfg(test)]
-mod tests;