Add --cov-fail-under=0 to individual tests

Author: koxudaxi

tox.ini

@@ -40,7 +40,7 @@ commands =
       -m "not perf" \
       -p no:codspeed --benchmark-disable \
       --cov {env_site_packages_dir}{/}datamodel_code_generator --cov {tox_root}{/}tests \
-      --cov-config=pyproject.toml --no-cov-on-fail --cov-report term-missing:skip-covered \
+      --cov-config=pyproject.toml --cov-fail-under=0 --no-cov-on-fail --cov-report term-missing:skip-covered \
       --cov-report html:{env_tmp_dir}{/}htmlcov \
       --cov-report xml:{env:COVERAGE_XML:{work_dir}{/}coverage.{env_name}.xml} \
       --junitxml {work_dir}{/}junit.{env_name}.xml \