auth: Fix tests after enforcing FOREIGN KEY constraint

Fix a number of tests and fixtures that were not conforming to the FOREIGN KEY
constraints:

* Each test that creates a new "object" needs to clean up after itself
* Each fixture that sets up test data needs to clean up after itself

1 files changed, 1 insertions, 1 deletions

diff --git a/gn3/api/search.py b/gn3/api/search.py
index 4ba2590..3cdee67 100644
--- a/gn3/api/search.py
+++ b/gn3/api/search.py
@@ -153,7 +153,7 @@ def apply_si_suffix(location: str) -> int:
     return int(float(location[:-1])*10**suffixes.get(location[-1].lower(), 0))
 
 
-def parse_location_field(lifted_species: str, species_prefix: str,
+def parse_location_field(lifted_species: str, species_prefix: str, # pylint: disable=[too-many-arguments]
                          chromosome_prefix: str, location_slot: int,
                          liftover_function: IntervalLiftoverFunction,
                          query: bytes) -> xapian.Query: