Fix integration test - null is returned instead of true/false for Denominator

[aswathikrishnan24]

Describe the bug
ProstateCaAvoidanceBoneScanOveruseFHIR

In a CQL - ProstateCaAvoidanceBoneScanOveruseFHIR, we have following define, a Boolean result (true/false) is expected not null

define "Denominator":
"Initial Population"
and "First Prostate Cancer Treatment during day of Measurement Period" is not null
and "Most Recent Prostate Cancer Staging Tumor Size T1a to T2a" is not null
and "Most Recent PSA Test Result is Low"
and "Most Recent Gleason Score is Low"

To Reproduce
Steps to reproduce the behavior:

1. Run following integration test ProstateCaAvoidanceBoneScanOveruseFHIR-> test case 1a4d1c2a-0681-4c42-8f9a-2faf393b6ad3

Screenshots

Version used:

• Version: develop-2.0
• 46d3248