tests: Drop no longer used loader base tests code
No longer used (finally)
$ cd swh-environment
$ grep -r "BaseLoaderStorageTest" **/swh/*
Binary file swh-loader-core/swh/loader/core/tests/__pycache__/test_tests.cpython-37-pytest-5.4.3.pyc matches
Binary file swh-loader-core/swh/loader/core/tests/__pycache__/__init__.cpython-37-pytest-5.4.3.pyc matches
$ grep -r "BaseLoaderTest" **/swh/*
Binary file swh-loader-core/swh/loader/core/tests/__pycache__/test_tests.cpython-37-pytest-5.4.3.pyc matches
Binary file swh-loader-core/swh/loader/core/tests/__pycache__/__init__.cpython-37-pytest-5.4.3.pyc matches
Related to T2488
Test Plan
tox
coverage increased a bit (94% -> 96%), here is before:
TOTAL 3104 129 546 50 94%
====================================================================================================== 141 passed, 8 warnings in 22.13s =======================================================================================================
after:
====================================================================================================== 138 passed, 8 warnings in 22.04s =======================================================================================================
TOTAL 2976 92 520 49 96%
Migrated from D3522 (view on Phabricator)