Resolve notice on undefined index #95

Job	Run time
BC Check	10s
Lint root / Lint yaml & Composer (8.0)	22s
Dependency analysis / Dependency Analysis (8.0)	23s
Code Coverage / Code Coverage	23s
Coding Standards / Coding Standards (8.0)	51s
Static analysis / Static Code Analysis (8.0)	30s
Unit test / Supported Versions Matrix	6s
Unit test / Tests (7.4, lowest)	32s
Unit test / Tests (7.4, locked)	16s
Unit test / Tests (7.4, highest)	28s
Unit test / Tests (8.0, lowest)	19s
Unit test / Tests (8.0, locked)	18s
Unit test / Tests (8.0, highest)	59s
Unit test / Tests (8.1, lowest)	31s
Unit test / Tests (8.1, locked)	22s
Unit test / Tests (8.1, highest)	49s
Unit test / Tests (8.2, lowest)	37s
Unit test / Tests (8.2, locked)	19s
Unit test / Tests (8.2, highest)	34s
Unit test / Tests (8.3, lowest)	34s
Unit test / Tests (8.3, locked)	18s
Unit test / Tests (8.3, highest)	27s
Unit test / Tests (8.4, lowest)	43s
Unit test / Tests (8.4, locked)	3m 27s
Unit test / Tests (8.4, highest)	41s
	14m 59s

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