Enable parallelExecution

Signed-off-by: Heng Qian <[email protected]>

build.sbt

@@ -36,7 +36,8 @@ ThisBuild / scalastyleConfig := baseDirectory.value / "scalastyle-config.xml"
 /**
  * Tests cannot be run in parallel since multiple Spark contexts cannot run in the same JVM
  */
-ThisBuild / Test / parallelExecution := false
+ThisBuild / Test / parallelExecution := true
+ThisBuild / Test / fork := true
 
 // Run as part of compile task.
 lazy val compileScalastyle = taskKey[Unit]("compileScalastyle")
@@ -274,13 +275,13 @@ lazy val integtest = (project in file("integ-test"))
       IntegrationTest / javaSource := baseDirectory.value / "src/integration/java",
       IntegrationTest / scalaSource := baseDirectory.value / "src/integration/scala",
       IntegrationTest / resourceDirectory := baseDirectory.value / "src/integration/resources",
-        IntegrationTest / parallelExecution := false,
+        IntegrationTest / parallelExecution := true,
       IntegrationTest / fork := true,
     )),
     inConfig(AwsIntegrationTest)(Defaults.testSettings ++ Seq(
       AwsIntegrationTest / javaSource := baseDirectory.value / "src/aws-integration/java",
       AwsIntegrationTest / scalaSource := baseDirectory.value / "src/aws-integration/scala",
-      AwsIntegrationTest / parallelExecution := false,
+      AwsIntegrationTest / parallelExecution := true,
       AwsIntegrationTest / fork := true,
     )),
     libraryDependencies ++= Seq(