Add custom message for toBe() matcher when object equality check fails

src/core/matchers/toBe.js

@@ -1,4 +1,4 @@
-getJasmineRequireObj().toBe = function() {
+getJasmineRequireObj().toBe = function($j) {
   /**
    * {@link expect} the actual value to be `===` to the expected value.
    * @function
@@ -8,10 +8,14 @@ getJasmineRequireObj().toBe = function() {
    * expect(thing).toBe(realThing);
    */
   function toBe() {
+    
     return {
       compare: function(actual, expected) {
+        var customMessage = 'Expected ' + $j.pp(expected) + ' to be ' + $j.pp(actual) + '. Tip: To check for deep equality, use .toEqual() instead of .toBe().';
+        
         return {
-          pass: actual === expected
+          pass: actual === expected,
+          message: typeof expected === 'object' ? customMessage : undefined,
         };
       }
     };