Add test for whereami command alias

Author: william-lawrence

test/console/whereami_test.rb

@@ -45,6 +45,12 @@ def test_whereami_displays_current_frames_code
         assert_no_line_text(/b = 1/)
         assert_line_text(/=>   1\| a = 1/)
 
+        type "@"
+
+        # with @, we should see same output as whereami (above)
+        assert_no_line_text(/b = 1/)
+        assert_line_text(/=>   1\| a = 1/)
+
         type "list"
 
         # list command should work as normal after whereami is executed