How to use 'jest expect any' in JavaScript

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29function expect(re, done) {
30 return function(err, res) {
31 if (err) return done(err)
32 res.on('data', function(data) {
33 if (re.exec(data)) done()
34 })
35 }
36}
144function expect(t, expected) {
145 var results = [];
146 return result => {
147 results.push(result);
148 if (results.length === expected.length) {
149 assert_array_equals(results, expected);
150 t.done();
151 }
152 };
153}

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