Modify TypicalTransactions.getTypicalFinanceTracker

[yongping827]

Modified TypicalTransactions.getTypicalFinanceTracker to call the methods getTypicalExpenses and getTypicalIncomes, in addition to getTypicalTransactions.

This is to allow tests that use getTypicalFinanceTracker to easily access its components if required.

[codecov-io]

Codecov Report

Merging #103 into master will increase coverage by 0.17%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #103      +/-   ##
============================================
+ Coverage     67.90%   68.07%   +0.17%     
- Complexity      483      489       +6     
============================================
  Files            90       91       +1     
  Lines          1648     1657       +9     
  Branches        154      155       +1     
============================================
+ Hits           1119     1128       +9     
  Misses          485      485              
  Partials         44       44              

Impacted Files	Coverage Δ	Complexity Δ
...16_3/finesse/logic/commands/ListIncomeCommand.java	100.00% <0.00%> (ø)	2.00% <0.00%> (ø%)
...6_3/finesse/logic/commands/ListExpenseCommand.java	100.00% <0.00%> (ø)	2.00% <0.00%> (ø%)
...finesse/logic/commands/ListTransactionCommand.java	100.00% <0.00%> (ø)	2.00% <0.00%> (?%)
...6_3/finesse/logic/parser/FinanceTrackerParser.java	94.73% <0.00%> (+0.79%)	26.00% <0.00%> (+4.00%)

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[zhaojj2209]

LGTM!

[ianyong]

LGTM!