use nextest in test

[jdroenner]

• I added an entry to CHANGELOG.md if knowledge of this change could be valuable to users.

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Here is a brief summary of what I did:

[coveralls]

Pull Request Test Coverage Report for Build 3931034422

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 129 unchanged lines in 4 files lost coverage.
• Overall coverage increased (+0.08%) to 87.874%

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Files with Coverage Reduction	New Missed Lines	%
services/src/pro/contexts/postgres.rs	2	94.3%
operators/src/processing/neighborhood_aggregate/aggregate.rs	5	97.55%
services/src/pro/users/postgres_userdb.rs	5	95.1%
operators/src/source/gdal_source/mod.rs	117	92.27%

Totals
Change from base Build 3929938005:	0.08%
Covered Lines:	86519
Relevant Lines:	98458

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💛 - Coveralls