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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,7 @@ private[spark] trait ResetSystemProperties extends BeforeAndAfterEach { this: Su
var oldProperties: Properties = null

override def beforeEach(): Unit = {
// we need SerializationUtils.clone instead of `new Properties(System.getProperties()` because
// we need SerializationUtils.clone instead of `new Properties(System.getProperties())` because
// the later way of creating a copy does not copy the properties but it initializes a new
// Properties object with the given properties as defaults. They are not recognized at all
// by standard Scala wrapper over Java Properties then.
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