Hi all. I'm trying to use Spek : I'm using spek 1....

# spek

[salomonbrys]

Hi all. I'm trying to use Spek : I'm using spek 1.1.0-beta2 with junit-platform 1.0.0-M3. When running gradle check, I get this error:

java.lang.IllegalArgumentException: Callable expects 1 arguments, but 0 were provided.
        at kotlin.reflect.jvm.internal.FunctionCaller.checkArguments(FunctionCaller.kt:43)
        at kotlin.reflect.jvm.internal.FunctionCaller$Constructor.call(FunctionCaller.kt:65)
        at kotlin.reflect.jvm.internal.KCallableImpl.call(KCallableImpl.kt:104)
        at org.jetbrains.spek.engine.SpekTestEngine.resolveSpec(SpekTestEngine.kt:102)
        at org.jetbrains.spek.engine.SpekTestEngine.resolveSpecs(SpekTestEngine.kt:55)
        at org.jetbrains.spek.engine.SpekTestEngine.discover(SpekTestEngine.kt:37)
        at org.junit.platform.launcher.core.DefaultLauncher.discoverRoot(DefaultLauncher.java:109)
        at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:85)
        at org.junit.platform.console.tasks.ExecuteTestsTask.executeTests(ExecuteTestsTask.java:62)
        at org.junit.platform.console.tasks.ExecuteTestsTask.lambda$execute$0(ExecuteTestsTask.java:54)
        at org.junit.platform.console.tasks.CustomContextClassLoaderExecutor.invoke(CustomContextClassLoaderExecutor.java:33)
        at org.junit.platform.console.tasks.ExecuteTestsTask.execute(ExecuteTestsTask.java:54)
        at org.junit.platform.console.tasks.ConsoleTaskExecutor.executeTask(ConsoleTaskExecutor.java:38)
        at org.junit.platform.console.ConsoleLauncher.execute(ConsoleLauncher.java:54)
        at org.junit.platform.console.ConsoleLauncher.main(ConsoleLauncher.java:39)

Is it a known bug ?