diff --git a/test/browser-test-prepare.js b/test/browser-test-prepare.js
index a1b0e5cc..86562fc0 100644
--- a/test/browser-test-prepare.js
+++ b/test/browser-test-prepare.js
@@ -26,4 +26,5 @@ createTestRunnerPage("", /javascript|urls/, "main");
 createTestRunnerPage("browser", null, "browser");
 createTestRunnerPage("browser", null, "relative-urls", "relative-urls");
 createTestRunnerPage("browser", null, "rootpath", "rootpath");
-createTestRunnerPage("browser", null, "rootpath-relative", "rootpath-relative");
\ No newline at end of file
+createTestRunnerPage("browser", null, "rootpath-relative", "rootpath-relative");
+createTestRunnerPage("browser", null, "production");
\ No newline at end of file
diff --git a/test/browser/common.js b/test/browser/common.js
index 1c0c0afc..d325ce5c 100644
--- a/test/browser/common.js
+++ b/test/browser/common.js
@@ -1,6 +1,14 @@
 /*if not async then phantomjs fails to run the webserver and the test concurrently*/
 var less = { async: true };
 
+/* record log messages for testing */
+var logMessages = [],
+    realConsoleLog = console.log;
+console.log = function(msg) {
+    logMessages.push(msg);
+    realConsoleLog.call(console, msg);
+};
+
 var testLessEqualsInDocument = function() {
     var links = document.getElementsByTagName('link'),
         typePattern = /^text\/(x-)?less$/;
diff --git a/test/browser/runner-browser.js b/test/browser/runner-browser.js
index 54419daa..79c5e1c9 100644
--- a/test/browser/runner-browser.js
+++ b/test/browser/runner-browser.js
@@ -1,3 +1,7 @@
-describe("less.js browser tests", function() {
+describe("less.js browser behaviour", function() {
     testLessEqualsInDocument();
+    
+    it("has some log messages", function() {
+        expect(logMessages.length).toBeGreaterThan(0);
+    });
 });
\ No newline at end of file
diff --git a/test/browser/runner-production.js b/test/browser/runner-production.js
new file mode 100644
index 00000000..94c0c8da
--- /dev/null
+++ b/test/browser/runner-production.js
@@ -0,0 +1,7 @@
+less.env = "production";
+
+describe("less.js production behaviour", function() {
+    it("doesn't log any messages", function() {
+        expect(logMessages.length).toEqual(0);
+    });
+});
\ No newline at end of file