Minor. Fix tests

compiler/testData/codegen/box/coroutines/reflect/callSuspend.kt

@@ -1,6 +1,9 @@
 // !LANGUAGE: +ReleaseCoroutines
 // WITH_COROUTINES
 // WITH_REFLECT
+// IGNORE_BACKEND: JS_IR
+// IGNORE_BACKEND: JS
+// IGNORE_BACKEND: JVM_IR
 
 import helpers.*
 import kotlin.coroutines.*

compiler/testData/codegen/box/coroutines/reflect/callSuspendBy.kt

@@ -1,6 +1,9 @@
 // !LANGUAGE: +ReleaseCoroutines
 // WITH_COROUTINES
 // WITH_REFLECT
+// IGNORE_BACKEND: JS_IR
+// IGNORE_BACKEND: JS
+// IGNORE_BACKEND: JVM_IR
 
 import helpers.*
 import kotlin.coroutines.*

compiler/testData/codegen/box/coroutines/reflect/isSuspend12.kt

@@ -2,6 +2,9 @@
 // WITH_COROUTINES
 // WITH_REFLECT
 
+// IGNORE_BACKEND: JS_IR
+// IGNORE_BACKEND: JS
+
 import helpers.*
 import kotlin.coroutines.experimental.*
 

compiler/testData/codegen/box/reflection/modifiers/functions.kt

@@ -9,7 +9,6 @@
 
 import kotlin.test.assertTrue
 import kotlin.test.assertFalse
-import kotlin.reflect.full.isSuspend
 
 inline fun inline() {}
 class External { external fun external() }