Hotfix for cross mesh interpolation tests #1483

Job	Run time
test / Build and test Firedrake (Linux) (complex)	11m 58s
test / Build and test Firedrake (Linux) (default)	12m 24s
test / Lint codebase	29s
test / Build and test Firedrake (macOS)	0s
test / Upload to PyPI (optional)	0s
test / Deploy GitHub pages (optional)	0s
test / Upload to TestPyPI (optional)	0s
	24m 51s

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