Add DeleteCommandTest

[MorningLit]

No description provided.

[codecov-io]

Codecov Report

Merging #219 into master will increase coverage by 2.09%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #219      +/-   ##
============================================
+ Coverage     64.00%   66.09%   +2.09%     
- Complexity      707      725      +18     
============================================
  Files           118      118              
  Lines          2456     2457       +1     
  Branches        284      285       +1     
============================================
+ Hits           1572     1624      +52     
+ Misses          777      724      -53     
- Partials        107      109       +2     

Impacted Files	Coverage Δ	Complexity Δ
...eedu/address/logic/commands/LoadPresetCommand.java	89.18% <100.00%> (+78.07%)	12.00 <0.00> (+9.00)
...rc/main/java/seedu/address/model/ModelManager.java	74.77% <0.00%> (+1.80%)	39.00% <0.00%> (+1.00%)
...du/address/logic/commands/DeletePresetCommand.java	84.00% <0.00%> (+84.00%)	8.00% <0.00%> (+8.00%)

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[Anikesh99]

lgtm!