Go test naming convention linter

go install github.com/devnev/testnamestyle/cmd/go-testnamestyle
go-testnamestyle -rule 'Test(?:[^_]+)?(?:_[a-z][^_]*)?' all

• no rules are configured by default
• -rule may be specified multiple times to add further rules
• if any rule matches, the test name is accepted
• rules are regexp patterns and must match the entire test name
• for rules with one capture group, the captured string must match a struct type or function declaration in the package
• for rules with two capture groups, the first captured string must match a struct type declaration in the package, and the second captured string must match a method of that type