Run sanity checks, not .inspect(), on startup

Also fixes tests that did NOT like a call to run_until_complete in the Datasette() constructor.

datasette/app.py

@@ -344,8 +344,6 @@ class Datasette:
                 except ValueError:
                     # Plugin already registered
                     pass
-        # Run the sanity checks
-        asyncio.get_event_loop().run_until_complete(self.run_sanity_checks())
 
     async def run_sanity_checks(self):
         # Only one check right now, for Spatialite

datasette/cli.py

@@ -412,6 +412,8 @@ def serve(
         memory=memory,
         version_note=version_note,
     )
-    # Force initial hashing/table counting
-    ds.inspect()
+    # Run async sanity checks - but only if we're not under pytest
+    asyncio.get_event_loop().run_until_complete(ds.run_sanity_checks())
+
+    # Start the server
     ds.app().run(host=host, port=port, debug=debug)

tests/conftest.py

@@ -15,6 +15,7 @@ def pytest_collection_modifyitems(items):
     move_to_front(items, "test_black")
     move_to_front(items, "test_inspect_cli")
     move_to_front(items, "test_inspect_cli_writes_to_file")
+    move_to_front(items, "test_spatialite_error_if_attempt_to_open_spatialite")
 
 
 def move_to_front(items, test_name):