Add more test cases

[seanjyjy]

Pr Overview

• Remove line 1 for company and profile cards
• Add command result test and command util test

[codecov-io]

Codecov Report

Merging #298 into master will increase coverage by 0.35%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master     #298      +/-   ##
============================================
+ Coverage     49.02%   49.38%   +0.35%     
- Complexity      759      766       +7     
============================================
  Files           182      182              
  Lines          3331     3327       -4     
  Branches        348      348              
============================================
+ Hits           1633     1643      +10     
+ Misses         1592     1577      -15     
- Partials        106      107       +1     

Impacted Files	Coverage Δ	Complexity Δ
...nter/commons/exceptions/IllegalValueException.java	100.00% <ø> (+50.00%)	1.00 <0.00> (ø)
...hunter/logic/parser/exceptions/ParseException.java	100.00% <ø> (+50.00%)	1.00 <0.00> (ø)
.../seedu/internhunter/ui/display/DisplayKeyList.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
.../internhunter/logic/commands/util/CommandUtil.java	83.33% <0.00%> (+14.28%)	17.00% <0.00%> (+3.00%)
...edu/internhunter/logic/commands/CommandResult.java	100.00% <0.00%> (+15.38%)	20.00% <0.00%> (+4.00%)

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[keanecjy]

LGTM