Fix broken visual regression tests #88

Job	Run time
Julia 1.6 - ubuntu-latest - x64 - pull_request	1m 38s
Julia 1.6 - macos-latest - x64 - pull_request	5m 27s
Julia 1 - ubuntu-latest - x64 - pull_request	2m 44s
Julia 1 - macos-latest - x64 - pull_request	6h 0m 14s
Julia nightly - ubuntu-latest - x64 - pull_request	3m 18s
Julia nightly - macos-latest - x64 - pull_request	5m 56s
	6h 19m 17s

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