3 files changed, 7 insertions, 1 deletions
diff --git a/compiler/test/dotc/comptest.scala b/compiler/test/dotc/comptest.scala
index 03e3d859e..c2c88abb3 100644
--- a/compiler/test/dotc/comptest.scala
+++ b/compiler/test/dotc/comptest.scala
@@ -4,6 +4,8 @@ import dotty.tools.dotc.ParallelTesting
 
 object comptest extends ParallelTesting {
 
+  def interactive: Boolean = true
+
   implicit val defaultOutputDir: String = "."
 
   val posDir = "./tests/pos/"
diff --git a/compiler/test/dotty/tools/dotc/CompilationTests.scala b/compiler/test/dotty/tools/dotc/CompilationTests.scala
index e7ecd342a..8df415a37 100644
--- a/compiler/test/dotty/tools/dotc/CompilationTests.scala
+++ b/compiler/test/dotty/tools/dotc/CompilationTests.scala
@@ -8,6 +8,8 @@ import java.io.{ File => JFile }
 class CompilationTests extends ParallelTesting {
   import CompilationTests._
 
+  def interactive: Boolean = !sys.env.contains("DRONE")
+
   // Positive tests ------------------------------------------------------------
 
   @Test def compilePos: Unit = {
diff --git a/compiler/test/dotty/tools/dotc/ParallelTesting.scala b/compiler/test/dotty/tools/dotc/ParallelTesting.scala
index d89a8940b..54f8effcd 100644
--- a/compiler/test/dotty/tools/dotc/ParallelTesting.scala
+++ b/compiler/test/dotty/tools/dotc/ParallelTesting.scala
@@ -20,6 +20,8 @@ import java.util.HashMap
 
 trait ParallelTesting {
 
+  def interactive: Boolean
+
   private sealed trait Target { self =>
     def outDir: JFile
     def flags: Array[String]
@@ -128,7 +130,7 @@ trait ParallelTesting {
         case None => JExecutors.newWorkStealingPool()
       }
 
-      pool.submit(statusRunner)
+      if (interactive) pool.submit(statusRunner)
 
       targets.foreach { target =>
         pool.submit(compilationRunnable(target))