Add Error fixtures for testing.

Author: Eric Wendelin

spec/fixtures/errors.js

@@ -0,0 +1,11 @@
+/* exported Errors */
+var Errors = {};
+
+Errors.IE_11 = {
+    message: "Unable to get property 'undef' of undefined or null reference",
+    stack: "TypeError: Unable to get property 'undef' of undefined or null reference\n" +
+    "   at Anonymous function (http://path/to/file.js:47:21)\n" +
+    "   at foo (http://path/to/file.js:45:13)\n" +
+    "   at bar (http://path/to/file.js:108:1)",
+    description: "Unable to get property 'undef' of undefined or null reference"
+};