[FEATURE] Introduce only directive #2108

Job	Run time
Check architecture	16s
Coding Standards	21s
xml-lint	14s
Static analysis / Static Code Analysis (8.2)	27s
Code Coverage / Code Coverage	2m 22s
Lint root / Lint yaml & Composer (8.2)	8s
Unit test / Tests (8.1, lowest)	52s
Unit test / Tests (8.1, locked)	12s
Unit test / Tests (8.1, highest)	27s
Unit test / Tests (8.2, lowest)	26s
Unit test / Tests (8.2, locked)	17s
Unit test / Tests (8.2, highest)	26s
integration test / Tests (8.1, lowest)	35s
Functional test / Tests (8.1, lowest)	36s
Functional test / Tests (8.1, locked)	24s
integration test / Tests (8.1, locked)	28s
Functional test / Tests (8.1, highest)	34s
integration test / Tests (8.1, highest)	38s
integration test / Tests (8.2, lowest)	38s
Functional test / Tests (8.2, lowest)	39s
integration test / Tests (8.2, locked)	24s
integration test / Tests (8.2, highest)	1m 10s
Functional test / Tests (8.2, locked)	19s
Functional test / Tests (8.2, highest)	1m 5s
	13m 58s

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