improve Json2Cool_test

Added testing for more COOL types (float, double, Blob16M).

This merge request affects 1 package:

• Database/IOVDbSvc

This merge request affects 1 file:

• Database/IOVDbSvc/test/Json2Cool_test.cxx

Adding @ssnyder as watcher

added Database main review-pending-level-1 labels

CI Result SUCCESS (hash d0f985d1)

	Athena	AthSimulation	AthGeneration	AthAnalysis
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 4348]

The changes look okay and there are no issues with the CI; the externals warning is from ATLINFR-5244. Approving from L1.

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit ce887e16