Github user dragos commented on a diff in the pull request:
https://github.com/apache/spark/pull/7471#discussion_r34976755
--- Diff:
streaming/src/test/scala/org/apache/spark/streaming/TestSuiteBase.scala ---
@@ -537,4 +537,19 @@ trait TestSuiteBase extends SparkFunSuite with
BeforeAndAfter with Logging {
verifyOutput[W](output, expectedOutput, useSet)
}
}
+
+ /**
+ * Wait until `cond` becomes true, or timeout ms have passed. This
method checks the condition
+ * every 100ms, so it won't wait more than 100ms more than necessary.
+ *
+ * @param cond A boolean that should become `true`
+ * @param timemout How many millis to wait before giving up
+ */
+ def waitUntil(cond: => Boolean, timeout: Int): Unit = {
--- End diff --
cool, thanks!
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