Function expectFail

lib/web/CodeMirror/test/vim_test.js:118–125

(fn)

}

function expectFail(fn) {
    try {
        fn();
    } catch(expected) {
        return;
    };
    throw new Error("Expected to throw an error");
}

function testVim(name, run, opts, expectedFail) {
  var vimOpts = {