Add reproduction for scalameta#285

The bug appears to be fixed with the recent changes to async fixtures.

munit/js/src/main/scala/munit/internal/PlatformCompat.scala

@@ -10,8 +10,7 @@ import sbt.testing.Logger
 import scala.concurrent.Promise
 import scala.concurrent.duration.Duration
 import scala.concurrent.ExecutionContext
-import scala.scalajs.js.timers.clearTimeout
-import scala.scalajs.js.timers.setTimeout
+import scala.scalajs.js.timers
 import java.util.concurrent.TimeoutException
 
 object PlatformCompat {
@@ -31,7 +30,7 @@ object PlatformCompat {
       ec: ExecutionContext
   ): Future[T] = {
     val onComplete = Promise[T]()
-    val timeoutHandle = setTimeout(duration.toMillis) {
+    val timeoutHandle = timers.setTimeout(duration.toMillis) {
       onComplete.tryFailure(
         new TimeoutException(s"test timed out after $duration")
       )
@@ -40,13 +39,19 @@ object PlatformCompat {
       def run(): Unit = {
         startFuture().onComplete { result =>
           onComplete.tryComplete(result)
-          clearTimeout(timeoutHandle)
+          timers.clearTimeout(timeoutHandle)
         }(ec)
       }
     })
     onComplete.future
   }
 
+  def setTimeout(ms: Int)(body: => Unit): () => Unit = {
+    val timeoutHandle = timers.setTimeout(ms)(body)
+
+    () => timers.clearTimeout(timeoutHandle)
+  }
+
   // Scala.js does not support looking up annotations at runtime.
   def isIgnoreSuite(cls: Class[_]): Boolean = false
 

munit/jvm/src/main/scala/munit/internal/PlatformCompat.scala

@@ -53,6 +53,16 @@ object PlatformCompat {
     onComplete.future
   }
 
+  def setTimeout(ms: Int)(body: => Unit): () => Unit = {
+    val scheduled = sh.schedule[Unit](
+      () => body,
+      ms,
+      TimeUnit.MILLISECONDS
+    )
+
+    () => scheduled.cancel(false)
+  }
+
   def isIgnoreSuite(cls: Class[_]): Boolean =
     cls.getAnnotationsByType(classOf[munit.IgnoreSuite]).nonEmpty
   def isJVM: Boolean = true

munit/native/src/main/scala/munit/internal/PlatformCompat.scala

@@ -26,6 +26,12 @@ object PlatformCompat {
   ): Future[T] = {
     startFuture()
   }
+  def setTimeout(ms: Int)(body: => Unit): () => Unit = {
+    Thread.sleep(ms)
+    body
+
+    () => ()
+  }
 
   // Scala Native does not support looking up annotations at runtime.
   def isIgnoreSuite(cls: Class[_]): Boolean = false

tests/shared/src/main/scala/munit/Issue285FrameworkSuite.scala

@@ -0,0 +1,58 @@
+package munit
+
+import scala.concurrent.duration.Duration
+import munit.internal.PlatformCompat
+import scala.concurrent.Promise
+
+class Issue285FrameworkSuite extends FunSuite {
+  def println(msg: String): Unit = TestingConsole.out.println(msg)
+  val hello = new Fixture[Unit]("hello") {
+    def apply(): Unit = ()
+    override def beforeAll(): Unit = {
+      println("beforeAll")
+    }
+    override def beforeEach(context: BeforeEach): Unit = {
+      println("beforeEach - " + context.test.name)
+    }
+    override def afterEach(context: AfterEach): Unit = {
+      println("afterEach - " + context.test.name)
+    }
+    override def afterAll(): Unit = {
+      println("afterAll")
+    }
+  }
+  override def munitFixtures = List(hello)
+  override def munitTimeout: Duration = Duration(1, "ms")
+  test("issue-285-ok") {
+    ()
+  }
+  test("issue-285-fail") {
+    val promise = Promise[Unit]()
+    PlatformCompat.setTimeout(3) {
+      promise.trySuccess(())
+    }
+    promise.future
+  }
+  test("issue-285-ok") {
+    ()
+  }
+}
+
+object Issue285FrameworkSuite
+    extends FrameworkTest(
+      classOf[Issue285FrameworkSuite],
+      """|munit.Issue285FrameworkSuite:
+         |beforeAll
+         |beforeEach - issue-285-ok
+         |afterEach - issue-285-ok
+         |  + issue-285-ok <elapsed time>
+         |beforeEach - issue-285-fail
+         |afterEach - issue-285-fail
+         |==> X munit.Issue285FrameworkSuite.issue-285-fail  <elapsed time>java.util.concurrent.TimeoutException: test timed out after 1 millisecond
+         |beforeEach - issue-285-ok
+         |afterEach - issue-285-ok
+         |  + issue-285-ok-1 <elapsed time>
+         |afterAll
+         |""".stripMargin,
+      format = StdoutFormat
+    )

tests/shared/src/test/scala/munit/BaseFrameworkSuite.scala

@@ -83,7 +83,7 @@ abstract class BaseFrameworkSuite extends BaseSuite {
       }
       implicit val ec = munitExecutionContext
       val elapsedTimePattern =
-        Pattern.compile(" \\d+\\.\\d+s$", Pattern.MULTILINE)
+        Pattern.compile(" \\d+\\.\\d+s ?", Pattern.MULTILINE)
       TestingConsole.out = out
       TestingConsole.err = out
       for {

tests/shared/src/test/scala/munit/FrameworkSuite.scala

@@ -28,6 +28,7 @@ class FrameworkSuite extends BaseFrameworkSuite {
     SmallStackTraceFrameworkSuite,
     AssertionsFrameworkSuite,
     Issue179FrameworkSuite,
+    Issue285FrameworkSuite,
     ScalaCheckExceptionFrameworkSuite,
     BoxedFrameworkSuite
   )