Error: Can't call test() inside a describe() suite of a different test type. Make sure to use the same "test" function (created by the test.extend() call) for all declarations inside a suite. at ..\helpers\conditional-test.js:9 7 | function skipTestOnWindows(reason) { 8 | if (isWindows) { > 9 | test.skip(reason, () => {}); | ^ 10 | } 11 | return isWindows; 12 | } at skipTestOnWindows (D:\a\webpack-dev-server\webpack-dev-server\test\helpers\conditional-test.js:9:10) at D:\a\webpack-dev-server\webpack-dev-server\test\e2e\server.test.js:646:11 at D:\a\webpack-dev-server\webpack-dev-server\test\e2e\server.test.js:645:10 at D:\a\webpack-dev-server\webpack-dev-server\test\e2e\server.test.js:261:8 at Object.<anonymous> (D:\a\webpack-dev-server\webpack-dev-server\test\e2e\server.test.js:29:6)