Enable strict mode testing for sm/Promise

test/staging/sm/Promise/bug-1287334.js

@@ -2,15 +2,13 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 var promise = Promise.resolve(1);
 var FakeCtor = function(exec){ exec(function(){}, function(){}); };
 Object.defineProperty(Promise, Symbol.species, {value: FakeCtor});
 // This just shouldn't crash. It does without bug 1287334 fixed.
 promise.then(function(){});
-

test/staging/sm/Promise/bug-1288382.js

@@ -2,16 +2,14 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 // This just shouldn't trigger a failed assert.
 // It does without bug 1288382 fixed.
 Promise.all.call(class {
   constructor(exec){ exec(()=>{}, ()=>{}); }
   static resolve() { return {then(){}}; }
 }, [null]);
-

test/staging/sm/Promise/bug-1289040.js

@@ -2,16 +2,14 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 var global = $262.createRealm().global;
 Promise.prototype.then = global.Promise.prototype.then;
-p1 = new Promise(function f(r) {
+var p1 = new Promise(function f(r) {
     r(1);
 });
-p2 = p1.then(function g(){});
-
+var p2 = p1.then(function g(){});

test/staging/sm/Promise/methods-non-enumerable.js

@@ -2,12 +2,10 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 assert.sameValue(Object.keys(Promise).length, 0);
 assert.sameValue(Object.keys(Promise.prototype).length, 0);
-

test/staging/sm/Promise/promise-species.js

@@ -2,16 +2,14 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - noStrict
 description: |
   pending
 esid: pending
 ---*/
+
 assert.sameValue(Promise[Symbol.species], Promise);
 let prop = Object.getOwnPropertyDescriptor(Promise, Symbol.species);
 assert.sameValue('get' in prop, true);
 assert.sameValue(typeof prop.get, 'function');
 assert.sameValue('set' in prop, true);
 assert.sameValue(prop.set, undefined);
-