Added wait into error tests.

Gruntfile.js

@@ -154,6 +154,14 @@ module.exports = function(grunt) {
           specs: 'test/browser/runner-errors-spec.js',
           outfile: 'test/browser/test-runner-errors.html'
         }
+      },
+      noJsErrors: { 
+        src: ['test/less/no-js-errors/*.less'], 
+	options: {
+	  helpers: 'test/browser/runner-no-js-errors-options.js',
+          specs: 'test/browser/runner-no-js-errors-spec.js',
+          outfile: 'test/browser/test-runner-no-js-errors.html'
+        }
       }
     },
 

test/browser/common.js

@@ -56,6 +56,7 @@ var testSheet = function(sheet) {
     });
 };
 
+//TODO: do it cleaner - the same way as in css
 function extractId(href) {
     return href.replace(/^[a-z-]+:\/+?[^\/]+/, '' )  // Remove protocol & domain
                .replace(/^\//,                 '' )  // Remove root /
@@ -71,17 +72,26 @@ var testErrorSheet = function(sheet) {
 //            id = sheet.id.replace(/^original-less:/, "less-error-message:"),
             errorHref = lessHref.replace(/.less$/, ".txt"),
             errorFile = loadFile(errorHref),
-            actualErrorElement = document.getElementById(id),
+            actualErrorElement,
             actualErrorMsg;
 
+        // Less.js sets 10ms timer in order to add error message on top of page.
+        waitsFor(function() {
+	    actualErrorElement = document.getElementById(id);
+            return actualErrorElement!==null;
+        }, "failed to load expected outout", 70);
+
+
         describe("the error", function() {
             expect(actualErrorElement).not.toBe(null);
         });
             
-        actualErrorMsg = actualErrorElement.innerText
+        runs(function() {
+          actualErrorMsg = actualErrorElement.innerText
                 .replace(/\n\d+/g, function(lineNo) { return lineNo + " "; })
                 .replace(/\n\s*in /g, " in ")
                 .replace("\n\n", "\n");
+        });
 
         waitsFor(function() {
             return errorFile.loaded;

test/browser/runner-errors-spec.js

@@ -1,3 +1,4 @@
 describe("less.js error tests", function() {
-    testLessErrorsInDocument();
-});
+  testLessErrorsInDocument();
+})
+

test/browser/runner-no-js-errors-options.js

@@ -0,0 +1,4 @@
+var less = {};
+
+less.strictUnits = true;
+less.javascriptEnabled = false;

test/browser/runner-no-js-errors-spec.js

@@ -0,0 +1,4 @@
+describe("less.js javascript disabled error tests", function() {
+  testLessErrorsInDocument();
+});
+