diff --git a/js/js.tests/test/org/jetbrains/k2js/test/semantics/MiscTest.java b/js/js.tests/test/org/jetbrains/k2js/test/semantics/MiscTest.java
index 9830beb96aa..70c52d665a3 100644
--- a/js/js.tests/test/org/jetbrains/k2js/test/semantics/MiscTest.java
+++ b/js/js.tests/test/org/jetbrains/k2js/test/semantics/MiscTest.java
@@ -16,7 +16,6 @@
 
 package org.jetbrains.k2js.test.semantics;
 
-import org.jetbrains.k2js.config.EcmaVersion;
 import org.jetbrains.k2js.translate.context.Namer;
 import org.mozilla.javascript.JavaScriptException;
 
@@ -58,11 +57,11 @@ public final class MiscTest extends AbstractExpressionTest {
     }
 
     public void testKt1052_2() throws Exception {
-        checkFooBoxIsTrue("KT-1052-2.kt", EcmaVersion.all());
+        checkFooBoxIsTrue("KT-1052-2.kt");
     }
 
     public void testKt2314() throws Exception {
-        checkFooBoxIsTrue("KT-2314.kt", EcmaVersion.all());
+        checkFooBoxIsTrue("KT-2314.kt");
     }
 
     public void testKt1052() throws Exception {
@@ -71,7 +70,7 @@ public final class MiscTest extends AbstractExpressionTest {
 
 
     public void testKt740_1() throws Exception {
-        checkFooBoxIsTrue("KT-740.kt", EcmaVersion.all());
+        checkFooBoxIsTrue("KT-740.kt");
     }
 
     public void testKt740_2() throws Exception {
@@ -79,15 +78,15 @@ public final class MiscTest extends AbstractExpressionTest {
     }
 
     public void testKt1361_1() throws Exception {
-        checkFooBoxIsTrue("KT-1361-1.kt", EcmaVersion.all());
+        checkFooBoxIsTrue("KT-1361-1.kt");
     }
 
     public void testKt1361_2() throws Exception {
-        checkFooBoxIsTrue("KT-1361-2.kt", EcmaVersion.all());
+        checkFooBoxIsTrue("KT-1361-2.kt");
     }
 
     public void testKt817() throws Exception {
-        checkFooBoxIsTrue("KT-817.kt", EcmaVersion.all());
+        checkFooBoxIsTrue("KT-817.kt");
     }
 
     public void testKt740_3() throws Exception {
@@ -131,7 +130,7 @@ public final class MiscTest extends AbstractExpressionTest {
     }
 
     public void testKt1865() throws Exception {
-        checkFooBoxIsTrue("KT-1865.kt", EcmaVersion.all());
+        checkFooBoxIsTrue("KT-1865.kt");
     }
 
     public void testMainFunInNestedNamespace() throws Exception {
@@ -184,4 +183,8 @@ public final class MiscTest extends AbstractExpressionTest {
         catch (JavaScriptException e) {
         }
     }
+
+    public void testInheritFromJetIterator() throws Exception {
+        fooBoxTest();
+    }
 }
diff --git a/js/js.translator/testFiles/expression/misc/cases/inheritFromJetIterator.kt b/js/js.translator/testFiles/expression/misc/cases/inheritFromJetIterator.kt
new file mode 100644
index 00000000000..107ea89d686
--- /dev/null
+++ b/js/js.translator/testFiles/expression/misc/cases/inheritFromJetIterator.kt
@@ -0,0 +1,12 @@
+package foo
+
+class TabIterator : Iterator<Any?> {
+    override val hasNext:Boolean
+      get() = false
+
+    override fun next():Any? {
+        return null
+    }
+}
+
+fun box() = !TabIterator().hasNext