attilapiros commented on a change in pull request #24241:
[SPARK-27323][CORE][SQL][STREAMING] Use Single-Abstract-Method support in Scala
2.12 to simplify code
URL: https://github.com/apache/spark/pull/24241#discussion_r270983348
##########
File path:
core/src/test/scala/org/apache/spark/deploy/worker/DriverRunnerTest.scala
##########
@@ -57,11 +56,9 @@ class DriverRunnerTest extends SparkFunSuite {
superviseRetry: Boolean) = {
val runner = createDriverRunner()
runner.setSleeper(mock(classOf[Sleeper]))
- doAnswer(new Answer[Int] {
- def answer(invocation: InvocationOnMock): Int = {
- runner.runCommandWithRetry(processBuilder, p => (), supervise =
superviseRetry)
- }
- }).when(runner).prepareAndRunDriver()
+ doAnswer((_: InvocationOnMock) =>
Review comment:
Nit: In this case would not we prefer to have `{`, like:
```
doAnswer { (_: InvocationOnMock) =>
}
```
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