[COMP1511 Extension Work] Write a summary of how you made the changes that you did: [E1:Summary] {{{ }}} Write two tests to test your implementation of Extension 1 (Merging). *This test should *ONLY* test merging into 1 beat.* [E1:Test 1] {{{ }}} *This test can test merging into any number of beats* [E1:Test 2] {{{ }}} =========================================================================== Write a summary of how you made the changes that you did: [E2:Summary] {{{ }}} Write two tests to test your implementation of Extension 2 (Save and Restore). [E2:Test 1] {{{ }}} [E2:Test 2] {{{ }}}