Use Stream.toList() instead of Collectors.toList()#57
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Stream.toList() (Java 16+) returns an immutable List, which is what the TestEnvironment constructor wants — it only iterates the result. Lets us drop the Collectors import.
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Summary
Stream.toList()(Java 16+) returns an immutable list, which is what theTestEnvironmentconstructor wants — it only iterates the result.Collectorsimport.Test plan
mvn clean test— all 43 tests pass