diff --git a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/TestDirective.kt b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/TestDirective.kt
index abd624cc..8060a843 100644
--- a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/TestDirective.kt
+++ b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/TestDirective.kt
@@ -3,7 +3,7 @@ package com.beust.kobalt
 import com.beust.kobalt.api.Project
 import com.beust.kobalt.api.annotation.Directive
 
-class TestConfig(val project: Project) {
+class TestConfig(val project: Project, val isDefault : Boolean = false) {
     val testArgs = arrayListOf<String>()
     val jvmArgs = arrayListOf<String>()
     val testIncludes = arrayListOf("**/*.class")
diff --git a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
index 5433e84f..5a9d0343 100644
--- a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
+++ b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
@@ -71,7 +71,7 @@ open class JvmCompilerPlugin @Inject constructor(
         // users don't have to specify a test{}
         //
         if (project.testConfigs.isEmpty()) {
-            project.testConfigs.add(TestConfig(project))
+            project.testConfigs.add(TestConfig(project, isDefault = true))
         }
         project.testConfigs.forEach { config ->
             val taskName = if (config.name.isEmpty()) TASK_TEST else TASK_TEST + config.name
diff --git a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/TestNgRunner.kt b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/TestNgRunner.kt
index 73bfb420..008f2291 100644
--- a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/TestNgRunner.kt
+++ b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/TestNgRunner.kt
@@ -42,7 +42,9 @@ class TestNgRunner : GenericTestRunner() {
                     add("-testclass")
                     add(testClasses.joinToString(","))
                 } else {
-                    warn("Couldn't find any test classes for ${project.name}")
+                    if (! testConfig.isDefault) warn("Couldn't find any test classes for ${project.name}")
+                    // else do nothing: since the user didn't specify an explicit test{} directive, not finding
+                    // any test sources is not a problem
                 }
             }
         } else {