Handle string comparisons correctly with equals_

src/Env.js

@@ -209,6 +209,10 @@ jasmine.Env.prototype.equals_ = function(a, b, mismatchKeys, mismatchValues) {
     return b.matches(a);
   }
 
+  if (jasmine.isString_(a) && jasmine.isString_(b)) {
+    return (a == b);
+  }
+
   if (typeof a === "object" && typeof b === "object") {
     return this.compareObjects_(a, b, mismatchKeys, mismatchValues);
   }