RuleTester = require("eslint").RuleTester; const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2015, sourceType: "module" }, }); const cases = require("./cases"); global.eslintUnusedImportsForceLoadJSLint = "true"; let rule; jest.isolateModules(() => { rule = require("../rules/no-unused-imports"); }); ruleTester.run("no-unused-imports", rule, cases);