+[testenv:tc_naming]
+whitelist_externals = /bin/bash
+commands = bash {[tox]checker_dir}/tc_naming.sh
+
+[testenv:tc_coverage]
+whitelist_externals = /bin/bash
+# Coverage is not needed to be voting.
+commands = bash -c "bash {[tox]checker_dir}/tc_coverage.sh || true"
+
+[testenv:doc_verify]
+# Fix all documentaion error before enabling voting.
+whitelist_externals = /bin/bash
+commands = bash -c "bash {[tox]checker_dir}/doc_verify.sh || true"
+