Add Test Cases to DG

[marcusjhang]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 69.28839% with 82 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
.../address/model/consultation/UniqueConsultList.java	63.04%	10 Missing and 7 partials ⚠️
...a/seedu/address/model/lesson/UniqueLessonList.java	63.04%	10 Missing and 7 partials ⚠️
.../java/seedu/address/model/util/SampleDataUtil.java	41.37%	17 Missing ⚠️
src/main/java/seedu/address/ui/LessonCard.java	0.00%	11 Missing ⚠️
...c/main/java/seedu/address/model/lesson/Lesson.java	40.00%	1 Missing and 2 partials ⚠️
...c/main/java/seedu/address/ui/ConsultationCard.java	0.00%	3 Missing ⚠️
...logic/commands/consultation/AddConsultCommand.java	0.00%	1 Missing and 1 partial ⚠️
...ddress/logic/commands/lesson/AddLessonCommand.java	50.00%	2 Missing ⚠️
...ommands/lesson/MarkLessonParticipationCommand.java	95.34%	0 Missing and 2 partials ⚠️
...in/java/seedu/address/logic/parser/ParserUtil.java	80.00%	1 Missing and 1 partial ⚠️
... and 4 more

Files with missing lines	Coverage Δ	Complexity Δ
...ress/logic/commands/lesson/AddToLessonCommand.java	89.39% <ø> (ø)	12.00 <0.00> (ø)
...ess/logic/commands/lesson/DeleteLessonCommand.java	100.00% <ø> (ø)	14.00 <0.00> (ø)
...c/commands/lesson/MarkLessonAttendanceCommand.java	97.36% <ø> (ø)	14.00 <0.00> (?)
...logic/commands/lesson/RemoveFromLessonCommand.java	79.31% <ø> (+0.73%)	7.00 <0.00> (ø)
.../seedu/address/logic/parser/AddressBookParser.java	91.66% <100.00%> (+0.49%)	26.00 <0.00> (+2.00)
...r/lesson/MarkLessonParticipationCommandParser.java	100.00% <100.00%> (ø)	6.00 <6.00> (?)
src/main/java/seedu/address/model/AddressBook.java	92.39% <100.00%> (+2.17%)	32.00 <13.00> (-1.00)	⬆️
...c/main/java/seedu/address/model/datetime/Date.java	91.66% <75.00%> (+0.36%)	12.00 <2.00> (ø)
...c/main/java/seedu/address/model/datetime/Time.java	91.66% <75.00%> (-0.65%)	12.00 <3.00> (ø)
...logic/commands/consultation/AddConsultCommand.java	90.47% <0.00%> (-9.53%)	8.00 <0.00> (ø)
... and 11 more

... and 1 file with indirect coverage changes