FIR JS: add K2 variants of all other JS tests

except tests that are not possible to add without some modifications in
the test infra. See todos on the commented-out test declarations

compiler/testData/codegen/box/coroutines/debug/debuggerMetadata.kt

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND_K2: JVM_IR
+// IGNORE_BACKEND_K2: JVM_IR, JS_IR
 // FIR status: some error in resolve (FirErrorNamedReferenceImpl in FIR)
 // TARGET_BACKEND: JVM
 // WITH_STDLIB

compiler/testData/codegen/box/coroutines/featureIntersection/defaultExpect.kt

@@ -1,6 +1,6 @@
 // !LANGUAGE: +MultiPlatformProjects
 // WITH_STDLIB
-// IGNORE_BACKEND_K2: JVM_IR
+// IGNORE_BACKEND_K2: JVM_IR, JS_IR
 // FIR status: expect/actual in the same module (ACTUAL_WITHOUT_EXPECT)
 
 import kotlin.coroutines.*

compiler/testData/codegen/box/coroutines/suspendCovariantJavaOverrides.kt

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND_K2: JVM_IR
+// IGNORE_BACKEND_K2: JVM_IR, JS_IR
 // FIR status: wrong ABSTRACT_SUPER_CALL
 // TARGET_BACKEND: JVM
 // WITH_STDLIB

compiler/testData/codegen/box/coroutines/tailCallOptimizations/unit/override5.kt

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND_K2: JVM_IR
+// IGNORE_BACKEND_K2: JVM_IR, JS_IR
 // FIR status: questionable bytecode listing difference (open/final methods in final class)
 // TARGET_BACKEND: JVM
 // FULL_JDK