[JS BE] mutes tests for JS_IR_ES6, which muted for JS_IR

compiler/testData/codegen/box/oldLanguageVersions/controlStructures/forInArray/forInArrayWithArrayVarUpdatedInLoopBody12.kt

@@ -2,6 +2,7 @@
 // IGNORE_BACKEND: NATIVE
 // IGNORE_BACKEND: JVM_IR
 // IGNORE_BACKEND: JS_IR
+// IGNORE_BACKEND: JS_IR_ES6
 // WITH_RUNTIME
 // IGNORE_BACKEND: JS
 

compiler/testData/codegen/box/oldLanguageVersions/coroutines/asyncIteratorNullMerge_1_2.kt

@@ -4,6 +4,7 @@
 // WITH_RUNTIME
 // WITH_COROUTINES
 // DONT_TARGET_EXACT_BACKEND: JS_IR
+// DONT_TARGET_EXACT_BACKEND: JS_IR_ES6
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/oldLanguageVersions/coroutines/asyncIteratorToList_1_2.kt

@@ -4,6 +4,7 @@
 // WITH_RUNTIME
 // WITH_COROUTINES
 // DONT_TARGET_EXACT_BACKEND: JS_IR
+// DONT_TARGET_EXACT_BACKEND: JS_IR_ES6
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/oldLanguageVersions/coroutines/asyncIterator_1_2.kt

@@ -4,6 +4,7 @@
 // WITH_RUNTIME
 // WITH_COROUTINES
 // DONT_TARGET_EXACT_BACKEND: JS_IR
+// DONT_TARGET_EXACT_BACKEND: JS_IR_ES6
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/oldLanguageVersions/coroutines/controlFlow/kt22694_1_2.kt

@@ -4,6 +4,7 @@
 // WITH_RUNTIME
 // WITH_COROUTINES
 // DONT_TARGET_EXACT_BACKEND: JS_IR
+// DONT_TARGET_EXACT_BACKEND: JS_IR_ES6
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/oldLanguageVersions/coroutines/createCoroutinesOnManualInstances_1_2.kt

@@ -2,6 +2,7 @@
 // WITH_RUNTIME
 // WITH_COROUTINES
 // DONT_TARGET_EXACT_BACKEND: JS_IR
+// DONT_TARGET_EXACT_BACKEND: JS_IR_ES6
 // IGNORE_BACKEND: JS
 
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/oldLanguageVersions/coroutines/featureIntersection/suspendFunction_1_2.kt

@@ -1,5 +1,6 @@
 // !LANGUAGE: -ReleaseCoroutines
 // IGNORE_BACKEND: JS_IR, JS
+// IGNORE_BACKEND: JS_IR_ES6
 // IGNORE_BACKEND: JVM_IR
 // WITH_RUNTIME
 // WITH_COROUTINES

compiler/testData/codegen/box/oldLanguageVersions/coroutines/reflect/isSuspend_1_2.kt

@@ -2,6 +2,7 @@
 // WITH_COROUTINES
 // WITH_REFLECT
 // DONT_TARGET_EXACT_BACKEND: JS_IR
+// DONT_TARGET_EXACT_BACKEND: JS_IR_ES6
 
 // IGNORE_BACKEND: NATIVE
 // IGNORE_BACKEND: JS

compiler/testData/codegen/box/oldLanguageVersions/coroutines/suspendFunctionAsCoroutine/ifExpressionInsideCoroutine_1_2.kt

@@ -4,6 +4,7 @@
 // WITH_RUNTIME
 // WITH_COROUTINES
 // DONT_TARGET_EXACT_BACKEND: JS_IR
+// DONT_TARGET_EXACT_BACKEND: JS_IR_ES6
 
 import helpers.*
 import kotlin.coroutines.experimental.*

compiler/testData/codegen/box/oldLanguageVersions/dataClassEqualsHashCodeToString.kt

@@ -1,5 +1,6 @@
 // !LANGUAGE: -DataClassInheritance
 // IGNORE_BACKEND: JS_IR
+// IGNORE_BACKEND: JS_IR_ES6
 // IGNORE_BACKEND: JVM_IR
 
 data class Foo(val s: String)

compiler/testData/codegen/box/oldLanguageVersions/ieee754/when10.kt

@@ -2,6 +2,7 @@
 // !API_VERSION: 1.0
 // IGNORE_BACKEND: NATIVE
 // DONT_TARGET_EXACT_BACKEND: JS_IR
+// DONT_TARGET_EXACT_BACKEND: JS_IR_ES6
 
 fun box(): String {
     val plusZero: Any = 0.0