chore: add unit tests for printKeyTable (header, rows, uppercase subt… #2

Job	Run time
changes	6s
shellcheck	10s
Lint Go code	7m 34s
Ensure Go modules synchronicity	44s
Build & cache Go code	3m 56s
Build, test & lint UI code	2m 4s
Check changes to generated code	6m 28s
Run unit tests with -race for Go packages	10m 26s
Run end-to-end tests (v1.32.1, false)	1s
Run end-to-end tests (v1.33.1, true)	1s
Run end-to-end tests (v1.31.0, false)	1d 0h 0m 0s
Run unit tests for Go packages	6m 33s
Run end-to-end tests (v1.30.4, false)	1d 0h 0m 0s
E2E Tests - Composite result	4s
Process & analyze test artifacts	0s
	2d 0h 38m 7s

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