Added test functions for blob granule db management functions

Code-Reviewer Section

The general pull request guidelines can be found here.

Please check each of the following things and check all boxes before accepting a PR.

[ ] The PR has a description, explaining both the problem and the solution.
[ ] The description mentions which forms of testing were done and the testing seems reasonable.
[ ] Every function/class/actor that was touched is reasonably well documented.

For Release-Branches

If this PR is made against a release-branch, please also check the following:

[ ] This change/bugfix is a cherry-pick from the next younger branch (younger release-branch or main if this is the youngest branch)
[ ] There is a good reason why this PR needs to go into a release branch and this reason is documented (either in the description above or in a linked GitHub issue)

Sep 21 '22 23:09 sfc-gh-jslocum

Sep 21 '22 23:09 foundationdb-ci

Sep 21 '22 23:09 fdb-windows-ci

Commit ID: f4dbed6d13b958b1c36f825e5a854bc40b41bb01
Duration 2:10:05
Result: :x: FAILED
Error: Error while executing command: if $(grep -q -- "--- FAIL:" ${CODEBUILD_SRC_DIR}/fdb-kubernetes-tests/logs/*.log); then echo "TESTS FAILED SEE THESE LOGS:"; echo ; grep -l -- "--- FAIL:" ${CODEBUILD_SRC_DIR}/fdb-kubernetes-tests/logs/*.log; exit 1; fi. Reason: exit status 1
Build Logs (available for 30 days)
Build Artifact (available for 30 days)

Sep 22 '22 01:09 foundationdb-ci

Sep 22 '22 21:09 foundationdb-ci

Sep 22 '22 23:09 fdb-windows-ci

Commit ID: 0250d61d9d8b7d6b8ee57371514e8f3b17b04d7f
Duration 2:08:56
Result: :x: FAILED
Error: Error while executing command: if $(grep -q -- "--- FAIL:" ${CODEBUILD_SRC_DIR}/fdb-kubernetes-tests/logs/*.log); then echo "TESTS FAILED SEE THESE LOGS:"; echo ; grep -l -- "--- FAIL:" ${CODEBUILD_SRC_DIR}/fdb-kubernetes-tests/logs/*.log; exit 1; fi. Reason: exit status 1
Build Logs (available for 30 days)
Build Artifact (available for 30 days)

Sep 22 '22 23:09 foundationdb-ci