Add test for shortcuts

[pooty3]

No description provided.

[codecov-io]

Codecov Report

Merging #262 into master will increase coverage by 1.58%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #262      +/-   ##
============================================
+ Coverage     36.15%   37.73%   +1.58%     
- Complexity      465      493      +28     
============================================
  Files           149      149              
  Lines          2860     2862       +2     
  Branches        323      323              
============================================
+ Hits           1034     1080      +46     
+ Misses         1761     1715      -46     
- Partials         65       67       +2     

Impacted Files	Coverage Δ	Complexity Δ
...address/logic/commandshortcut/CommandShortcut.java	57.89% <ø> (+47.36%)	14.00 <0.00> (+14.00)
...ress/logic/commandshortcut/CommandShortcutSet.java	50.94% <100.00%> (+37.21%)	13.00 <1.00> (+9.00)
...edu/address/logic/commandshortcut/CommandWord.java	94.11% <0.00%> (+17.64%)	6.00% <0.00%> (+4.00%)
...mmandshortcut/exceptions/CommandWordException.java	100.00% <0.00%> (+100.00%)	1.00% <0.00%> (+1.00%)

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[nicktohzyu]

lgtm