Core: Fix processString calls

Author: tonyganch

test/mocha.js

@@ -48,7 +48,7 @@ mocha.suite.beforeEach(function() {
         var syntax = input.split('.').pop();
         input = this.readFile(input);
         expected = expected ? this.readFile(expected) : input;
-        assert.equal(this.comb.processString(input, syntax), expected);
+        assert.equal(this.comb.processString(input, { syntax: syntax }), expected);
     };
 
     /**

test/options/remove-empty-rulesets-less.js

@@ -13,7 +13,7 @@ describe('options/remove-empty-rulesets (less):', function() {
     it('Issue 201. Test 2', function() {
         this.comb.configure({ 'remove-empty-rulesets': true });
         var string = '#a {#b {} #d {}}';
-        assert.equal(this.comb.processString(string, 'less'), '');
+        assert.equal(this.comb.processString(string, { syntax: 'less' }), '');
     });
 
     it('Issue 201. Test 3', function() {
@@ -22,6 +22,6 @@ describe('options/remove-empty-rulesets (less):', function() {
             'always-semicolon': true
         });
         var string = '#a {#b {} #d {}}';
-        assert.equal(this.comb.processString(string, 'less'), string);
+        assert.equal(this.comb.processString(string, { syntax: 'less' }), string);
     });
 });