Message not clear enough

When the assertion fails you get something like

```
Error: expected 6 to equal 7
```

Could this be improved a bit to explicitly say which one was the expected and which one was the actual value. Something like:

```
Error: Expected: [7] Actual: [6]
```

Sorry maybe for native english speaker the existing message is obvious but for the rest of us it is NOT. I always have to look at the test case to see which one is which. Something small but I believe it would make life easier for a whole bunch of users.
Thanks