Go through the entire codebase and replace all instances where the current_dir is assumed.
This lets us remove LAL_CONFIG_HOME from the tests and removes all assumptions about
paths because set_current_dir is fundamentally incompatible with threads. All threads share the same working directory.
Go through the entire codebase and replace all instances where the
current_diris assumed.This lets us remove
LAL_CONFIG_HOMEfrom the tests and removes all assumptions about paths becauseset_current_diris fundamentally incompatible with threads. All threads share the same working directory.