[TST] Add test that the default config loads and parses (chroma-core#…

…1901)

## Description of changes

*Summarize the changes made by this PR.*
 - Improvements & Bug fixes
	 - Adds a basic test to ensure that the default config loads and parses
 - New functionality
	 - None

## Test plan
*How are these changes tested?*
This is a test
- [x] Tests pass locally with `pytest` for python, `yarn test` for js,
`cargo test` for rust

## Documentation Changes
None

rust/worker/src/config.rs

@@ -333,4 +333,10 @@ mod tests {
             Ok(())
         });
     }
+
+    #[test]
+    fn test_default_config_path() {
+        // Sanity check that root config loads from default path correctly
+        let _ = RootConfig::load();
+    }
 }