Automatic merge from submit-queue (batch tested with PRs 40432, 43955)

Fix coverage report testing on macOS

**What this PR does / why we need it**:
Fixes coverage testing on macOS

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #43952

**Special notes for your reviewer**:
Uses SHA1 SUM of tests instead of full test string to generate directory, so that the directory doesn't exceed 255 chars.

**Release note**:

```release-note
NONE
```