refactor: rename image-storage crate to object-storage

crates/adapters/object-storage/src/tests/config.rs

@@ -0,0 +1,17 @@
+use super::*;
+
+#[test]
+fn local_store_creates_dir_and_succeeds() {
+    let dir = std::env::temp_dir().join(format!("image_test_{}", uuid::Uuid::new_v4()));
+    let result = build_local_store(dir.to_str().unwrap());
+    assert!(result.is_ok(), "expected Ok, got: {:?}", result.err());
+    assert!(dir.exists(), "directory should have been created");
+}
+
+#[test]
+fn local_store_succeeds_if_dir_already_exists() {
+    let dir = std::env::temp_dir().join(format!("image_test_{}", uuid::Uuid::new_v4()));
+    std::fs::create_dir_all(&dir).unwrap();
+    let result = build_local_store(dir.to_str().unwrap());
+    assert!(result.is_ok());
+}