Update tests for interleaved declarations (#2002) #1537

Job	Run time
JS API \| Pure JS \| Browser	1m 32s
JS API \| Pure JS \| Node lts/* \| ubuntu-latest	1m 11s
Language \| Dart Sass \| Dart stable	1m 1s
JS API \| Pure JS \| Node lts/* \| windows-latest	2m 50s
JS API \| Embedded \| Node lts/* \| ubuntu-latest	5m 47s
Language \| Dart Sass \| Dart dev	53s
JS API \| Pure JS \| Node lts/* \| macos-latest	1m 25s
Lint spec files	16s
JS API \| Embedded \| Node lts/* \| windows-latest	6m 13s
JS API \| Pure JS \| Node lts/-1 \| ubuntu-latest	1m 16s
JS API \| Embedded \| Node lts/* \| macos-latest	3m 49s
JS API \| Pure JS \| Node lts/-2 \| ubuntu-latest	1m 14s
JS API \| Embedded \| Node lts/-1 \| ubuntu-latest	4m 52s
Static analysis	16s
JS API \| Pure JS \| Node lts/-3 \| ubuntu-latest	1m 21s
JS API \| Embedded \| Node lts/-2 \| ubuntu-latest	4m 52s
Unit tests	40s
JS API \| Embedded \| Node lts/-3 \| ubuntu-latest	4m 51s
	44m 19s

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