New convenient method clear() in EnvironmentVariables

stefanbirkner / system-rules

A collection of JUnit rules for testing code which uses java.lang.System.

http://stefanbirkner.github.io/system-rules

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Closed szpak closed 6 years ago

szpak commented 6 years ago

environmentVariables.set("SOME_ENV", null) works fine, but clear("SOME_ENV") would be more convenient (and readable) in that case.

I can provide a PR if you agree and are willing to merge it.