strictBool test rewritten to support Node < 4

test/schema.boolean.test.js

@@ -29,21 +29,29 @@ describe('schematype', function() {
       assert.strictEqual(true, m3.b);
       done();
     });
-    it('strictBool option (gh-5211)', function() {
-      console.log('chekc');
+    it('strictBool option (gh-5211)', function(done) {
       var db = start(),
           s1 = new Schema({b: {type: Boolean, strictBool: true}}),
           M1 = db.model('StrictBoolTrue', s1);
       db.close();
 
-      var m1 = new M1;
       var strictValues = [true, false, 'true', 'false', 0, 1, '0', '1'];
-      var validatePromises = strictValues.map(function(value) {
-        m1.b = value;
-        return m1.validate();
+
+      var testsRemaining = strictValues.length;
+      strictValues.forEach(function (value) {
+        var doc = new M1;
+        doc.b = value;
+        doc.validate(function (error) {
+          if (error) {
+            // test fails as soon as one value fails
+            return done(error)
+          }
+          if (!--testsRemaining) {
+            return done()
+          }
+        });
       });
 
-      return global.Promise.all(validatePromises);
     });
   });
 });