migrated coffee tests to new testing format

@@ -4,16 +4,17 @@ steps = 0
 
 casper.options.onStepComplete = -> steps++
 
-casper.start "tests/site/index.html", ->
-  @test.assertTitle "CasperJS test index", "Casper.start() casper can start itself an open an url"
-  @test.assertEquals @fetchText("ul li"), "onetwothree", "Casper.fetchText() can retrieves text contents"
+casper.test.begin "writing async tests in coffeescript", 4, (test) ->
+  casper.start "tests/site/index.html", ->
+    test.assertTitle "CasperJS test index", "Casper.start() casper can start itself an open an url"
+    test.assertEquals @fetchText("ul li"), "onetwothree", "Casper.fetchText() can retrieves text contents"
     @click "a[href=\"test.html\"]"
 
-casper.then ->
-  @test.assertTitle "CasperJS test target", "Casper.click() casper can click on a text link"
+  casper.then ->
+    test.assertTitle "CasperJS test target", "Casper.click() casper can click on a text link"
     @click "a[href=\"form.html\"]"
 
-casper.run ->
-  @test.assertEquals steps, 3, "Casper.options.onStepComplete() is called on step complete"
+  casper.run ->
+    test.assertEquals steps, 3, "Casper.options.onStepComplete() is called on step complete"
     @options.onStepComplete = null
-  @test.done(4)
+    @test.done()