added test of IPython.version to js test suite

IPython/html/tests/casperjs/test_cases/misc_tests.js

@@ -0,0 +1,21 b''
+
+//
+// Miscellaneous javascript tests
+//
+casper.notebook_test(function () {
+    var jsver = this.evaluate(function () {
+        var cell = IPython.notebook.get_cell(0);
+        cell.set_text('import IPython; print IPython.__version__');
+        cell.execute();
+        return IPython.version
+    });
+
+    this.wait_for_output(0);
+
+    // refactor this into  just a get_output(0)
+    this.then(function () {
+        var result = this.get_output_cell(0);
+        this.test.assertEquals(result.text.trim(), jsver, 'IPython.version in JS matches IPython.');
+    });
+
+});