Test no create flag
Add some more tests around fixtures
Improve error message
Add code in to reject scenarios where there exists sql in fixture dir
Test pre/post create sql
Stop shadowing test methods
Add import_by_name utility method to retrieve an import
Quote tables
Add some more TODO items
Support merging of top level configs in helper method
Extract a base_postgres_config utility method
Start to test a basic import
Reset environment variable used to control dbt
Fix test to handle imports being keyed as strings
Derive the import dir form a new top level config value
Test importing using sql
Test importing using fixtures
Improve the formatting of pre import scripts
Add test for pre/post import script hooks
Improve logging when resuming