Update example module to really survive

Author: DiegoRBaquero

example-module/src/survived.js

@@ -10,7 +10,6 @@ module.exports = {
   increments (a) {
     a++
     a--
-    return 1
   },
   condBound (a) {
     if (a < 10) {

example-module/test.js

@@ -19,7 +19,7 @@ assert.strictEqual(survived.math(2, 3), 2)
 // Increments
 assert.strictEqual(killed.increments(1), 1)
 assert.strictEqual(killed.increments(10), 10)
-assert.strictEqual(survived.increments(1), 1)
+assert.strictEqual(survived.increments(1), undefined)
 
 // Conditionals boundary
 assert.strictEqual(killed.condBound(5), 5)