Add teardown for benchmarks, and adapt memoize-utils benchmark

perf/benchmarks/memoize-util/index.js

@@ -2,6 +2,8 @@ const { default: memoize } = require('../../../lib/utils/memoize')
 
 module.exports = {
   setup(state) {
+    window.__NO_MEMOIZE = false
+
     let obj = {
       fibonacci(n = 20) {
         if (n === 0 || n === 1) {
@@ -18,5 +20,11 @@ module.exports = {
 
   run(obj) {
     obj.fibonacci()
+    // Clear cache for next runs
+    delete obj.__cache
+  },
+
+  teardown() {
+    window.__NO_MEMOIZE = true
   }
 }

perf/index.js

@@ -110,6 +110,10 @@ function runBenchmarks() {
       fn() {
         scope.benchmark.run(state) // eslint-disable-line no-undef
         // Next call will use another State instance
+      },
+
+      onComplete() {
+        global.getScope().benchmark.teardown()
       }
     }))
   }