[Tracing] Update DD_TAGS tests to remove empty tag values #24851

Job	Run time
Test the test	28s
lint	32s
Exotics scenarios	0s
Get impacted libraries / main	6s
Get scenarios and groups / main	19s
get_dev_artifacts (cpp)	3s
get_dev_artifacts (dotnet)	11s
get_dev_artifacts (golang)	4s
get_dev_artifacts (java)	6s
get_dev_artifacts (nodejs)	4s
get_dev_artifacts (php)	41s
get_dev_artifacts (python)	3s
get_dev_artifacts (ruby)	6s
System Tests	0s
Ruby Docker Mode	0s
Fail if target branch is specified	0s
fancy-report	12s
Update CI Visibility Dashboard	0s
	2m 55s

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