diff --git a/tests/Adapter/Amp/EventLoopTest.php b/tests/Adapter/Amp/EventLoopTest.php
index 8ab2817..cbce018 100644
--- a/tests/Adapter/Amp/EventLoopTest.php
+++ b/tests/Adapter/Amp/EventLoopTest.php
@@ -17,4 +17,20 @@ public function testStreamShouldReadFromWritable($expectedSequence = '')
         // Because Amp resolve promises in a slightly different order.
         parent::testStreamShouldReadFromWritable('W0R0W12345R12R34W6R56R');
     }
+
+    public function testStreamShouldNotBeWritableIfClosed()
+    {
+        assert_options(ASSERT_EXCEPTION, 1);
+        $this->expectException(\Throwable::class);
+
+        parent::testStreamShouldNotBeWritableIfClosed();
+    }
+
+    public function testStreamShouldNotBeReadableIfClosed()
+    {
+        assert_options(ASSERT_EXCEPTION, 1);
+        $this->expectException(\Throwable::class);
+
+        parent::testStreamShouldNotBeReadableIfClosed();
+    }
 }