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AI-generatedkarate.callSingle Caching in Parallel Runs: Shared State and the JUnit 4 to JUnit 5 Boundary
Karate's callSingle feature is intended to execute a feature once and cache its result for the duration of a test run, so parallel scenarios can share setup data such as tokens or seed records. The cache is scoped to the Karate runtime or JVM, not to an individual feature file. The JUnit 4 to JUnit 5 runner transition in Karate 1.x is a compatibility boundar
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