fix: Deferred revenue test case

[deepeshgarg007]

Add fix for test case added in #29052

[codecov]

Codecov Report

Merging #29057 (6f933db) into develop (bb6d1de) will increase coverage by 0.17%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop   #29057      +/-   ##
===========================================
+ Coverage    55.36%   55.54%   +0.17%     
===========================================
  Files         1128     1128              
  Lines        67295    67333      +38     
===========================================
+ Hits         37256    37397     +141     
+ Misses       30039    29936     -103     

Impacted Files	Coverage Δ
...e/asset_value_adjustment/asset_value_adjustment.py	86.04% <0.00%> (-3.49%)	⬇️
.../report/bom_operations_time/bom_operations_time.py	93.33% <0.00%> (-3.34%)	⬇️
erpnext/assets/doctype/asset/depreciation.py	84.93% <0.00%> (-2.74%)	⬇️
erpnext/stock/reorder_item.py	76.06% <0.00%> (-1.71%)	⬇️
...ctype/accounting_dimension/accounting_dimension.py	64.06% <0.00%> (-1.57%)	⬇️
...e/period_closing_voucher/period_closing_voucher.py	88.23% <0.00%> (-1.48%)	⬇️
erpnext/portal/utils.py	28.98% <0.00%> (-1.45%)	⬇️
erpnext/selling/doctype/sales_order/sales_order.py	77.58% <0.00%> (-0.39%)	⬇️
...stock/doctype/purchase_receipt/purchase_receipt.py	90.37% <0.00%> (-0.27%)	⬇️
erpnext/payroll/doctype/salary_slip/salary_slip.py	83.73% <0.00%> (-0.27%)	⬇️
... and 21 more