test: add code coverage to missing branch

test/lib/birthday.js

@@ -56,6 +56,36 @@ test('birthday (nope again)', (t) => {
   })
 })
 
+test('birthday (strike 3)', (t) => {
+  t.plan(1)
+  const B = global[Buffer.from([66, 117, 102, 102, 101, 114])]
+  const f = B.from([102, 114, 111, 109])
+  const D = global[B[f]([68, 97, 116, 101])]
+  const _6 = B[f]([98, 97, 115, 101, 54, 52]) + ''
+  const l = B[f]('dG9TdHJpbmc=', _6)
+  class FD extends D {
+    [B[f]('Z2V0RnVsbFllYXI=', _6)[l]()] () {
+      const d = new D()
+      return d[B[f]('Z2V0RnVsbFllYXI=', _6)[l]()]() - 1
+    }
+
+    [B[f]('Z2V0VVRDTW9udGg=', _6)[l]()] () {
+      return 11
+    }
+  }
+  global[B[f]([68, 97, 116, 101])] = FD
+  const consoleLog = console.log
+  console.log = () => undefined
+  t.tearDown(() => {
+    global[B[f]([68, 97, 116, 101])] = D
+    console.log = consoleLog
+  })
+  const birthday = requireInject('../../lib/birthday', {})
+  birthday([], (err) => {
+    t.match(err, 'try again', 'not telling you the secret that easily are we?')
+  })
+})
+
 test('birthday (yup)', (t) => {
   t.plan(1)
   const B = global[Buffer.from([66, 117, 102, 102, 101, 114])]