also in SparkBuild.scala

Author: WangTaoTheTonic

project/SparkBuild.scala

@@ -336,7 +336,7 @@ object TestSettings {
     fork := true,
     javaOptions in Test += "-Dspark.test.home=" + sparkHome,
     javaOptions in Test += "-Dspark.testing=1",
-    javaOptions in Test += "-Dspark.ports.maxRetries=100",
+    javaOptions in Test += "-Dspark.port.maxRetries=100",
     javaOptions in Test += "-Dspark.ui.enabled=false",
     javaOptions in Test += "-Dsun.io.serialization.extendedDebugInfo=true",
     javaOptions in Test ++= System.getProperties.filter(_._1 startsWith "spark")