Fix bundler tests assertions on windows #2222

Job	Run time
Lint	1m 12s
Unit tests (ubuntu-latest, Node 14)	4m 38s
Unit tests (macos-latest, Node 14)	10m 29s
Unit tests (windows-latest, Node 14)	12m 14s
Flow	1m 14s
Unit tests (ubuntu-latest, Node 16)	4m 24s
Unit tests (macos-latest, Node 16)	9m 57s
Unit tests (windows-latest, Node 16)	12m 32s
Integration tests (ubuntu-latest, Node 14)	3m 23s
Integration tests (macos-latest, Node 14)	9m 13s
Benchmarks	36m 15s
Integration tests (windows-latest, Node 14)	18m 54s
Integration tests (ubuntu-latest, Node 16)	4m 13s
Integration tests (macos-latest, Node 16)	5m 18s
Integration tests (windows-latest, Node 16)	25m 53s
Test report	5s
	2h 39m 54s

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