diff --git a/compiler/testData/codegen/box/arrays/primitiveArrays.kt b/compiler/testData/codegen/box/arrays/primitiveArrays.kt
index 0ced5591211..cd2a5f23cf9 100644
--- a/compiler/testData/codegen/box/arrays/primitiveArrays.kt
+++ b/compiler/testData/codegen/box/arrays/primitiveArrays.kt
@@ -1,5 +1,4 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: KOTLIN_TEST_LIB
+// KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 
 import kotlin.test.*
diff --git a/compiler/testData/codegen/box/callableReference/function/sortListOfStrings.kt b/compiler/testData/codegen/box/callableReference/function/sortListOfStrings.kt
index 8161c822e83..ea6c6199cf2 100644
--- a/compiler/testData/codegen/box/callableReference/function/sortListOfStrings.kt
+++ b/compiler/testData/codegen/box/callableReference/function/sortListOfStrings.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: STDLIB_SORT
 // WITH_RUNTIME
 // SKIP_DCE_DRIVEN
 
diff --git a/compiler/testData/codegen/box/constants/comparisonTrue.kt b/compiler/testData/codegen/box/constants/comparisonTrue.kt
index c6842bd2781..daca2bae7c9 100644
--- a/compiler/testData/codegen/box/constants/comparisonTrue.kt
+++ b/compiler/testData/codegen/box/constants/comparisonTrue.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: STDLIB_GENERATED
 // WITH_RUNTIME
 fun foo(): Array<Boolean> {
     return arrayOf(
diff --git a/compiler/testData/codegen/box/ieee754/equalsNaN_properIeeeComparisons.kt b/compiler/testData/codegen/box/ieee754/equalsNaN_properIeeeComparisons.kt
index e9292efc87c..5a7499cebcb 100644
--- a/compiler/testData/codegen/box/ieee754/equalsNaN_properIeeeComparisons.kt
+++ b/compiler/testData/codegen/box/ieee754/equalsNaN_properIeeeComparisons.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: KOTLIN_TEST_LIB
 // !LANGUAGE: +ProperIeee754Comparisons
 // IGNORE_BACKEND_FIR: JVM_IR
 // WITH_RUNTIME
diff --git a/compiler/testData/codegen/box/inference/builderInference/kt47744.kt b/compiler/testData/codegen/box/inference/builderInference/kt47744.kt
index 748a7ce7517..0fd0ecdd8fa 100644
--- a/compiler/testData/codegen/box/inference/builderInference/kt47744.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/kt47744.kt
@@ -1,3 +1,6 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
+
 // !LANGUAGE: +UnrestrictedBuilderInference
 // WITH_RUNTIME
 
diff --git a/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferences.kt b/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferences.kt
index 13da006308c..17ca71d7751 100644
--- a/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferences.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferences.kt
@@ -1,3 +1,6 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
+
 // WITH_RUNTIME
 // !LANGUAGE: -StrictOnlyInputTypesChecks
 
diff --git a/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesDontRewriteAtSlice.kt b/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesDontRewriteAtSlice.kt
index 6ab9def3000..d32a7f4315b 100644
--- a/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesDontRewriteAtSlice.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesDontRewriteAtSlice.kt
@@ -1,3 +1,6 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
+
 // WITH_RUNTIME
 // SKIP_TXT
 // !DIAGNOSTICS: -CAST_NEVER_SUCCEEDS -UNCHECKED_CAST -UNUSED_PARAMETER -UNUSED_VARIABLE -OPT_IN_USAGE_ERROR -UNUSED_EXPRESSION
diff --git a/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesErrorType.kt b/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesErrorType.kt
index 13da006308c..17ca71d7751 100644
--- a/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesErrorType.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/specialCallsWithCallableReferencesErrorType.kt
@@ -1,3 +1,6 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
+
 // WITH_RUNTIME
 // !LANGUAGE: -StrictOnlyInputTypesChecks
 
diff --git a/compiler/testData/codegen/box/inference/builderInference/specialCallsWithLambdas.kt b/compiler/testData/codegen/box/inference/builderInference/specialCallsWithLambdas.kt
index 892c83ba9f2..7982f77c2b4 100644
--- a/compiler/testData/codegen/box/inference/builderInference/specialCallsWithLambdas.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/specialCallsWithLambdas.kt
@@ -1,3 +1,6 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
+
 // WITH_RUNTIME
 
 import kotlin.experimental.ExperimentalTypeInference
diff --git a/compiler/testData/codegen/box/inference/builderInferenceLeakingVariable.kt b/compiler/testData/codegen/box/inference/builderInferenceLeakingVariable.kt
index 60074d829aa..94389180909 100644
--- a/compiler/testData/codegen/box/inference/builderInferenceLeakingVariable.kt
+++ b/compiler/testData/codegen/box/inference/builderInferenceLeakingVariable.kt
@@ -1,3 +1,6 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
+
 // Issues: KT-33542, KT-33544
 // WITH_RUNTIME
 // !LANGUAGE: +NewInference
diff --git a/compiler/testData/codegen/box/inference/kt35684.kt b/compiler/testData/codegen/box/inference/kt35684.kt
index 0cb98a66d87..9c637be62dd 100644
--- a/compiler/testData/codegen/box/inference/kt35684.kt
+++ b/compiler/testData/codegen/box/inference/kt35684.kt
@@ -1,3 +1,6 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
+
 // !LANGUAGE: +NewInference
 // !OPT_IN: kotlin.RequiresOptIn
 // WITH_RUNTIME
diff --git a/compiler/testData/codegen/box/inference/plusAssignInsideLambda.kt b/compiler/testData/codegen/box/inference/plusAssignInsideLambda.kt
index b6d4ea8c3ec..e45886b24d1 100644
--- a/compiler/testData/codegen/box/inference/plusAssignInsideLambda.kt
+++ b/compiler/testData/codegen/box/inference/plusAssignInsideLambda.kt
@@ -1,3 +1,6 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
+
 // WITH_RUNTIME
 
 import kotlin.experimental.ExperimentalTypeInference
diff --git a/compiler/testData/codegen/box/inference/suspendExtensionRecevierFromConstraint.kt b/compiler/testData/codegen/box/inference/suspendExtensionRecevierFromConstraint.kt
index 6169262e158..1abb4271ec7 100644
--- a/compiler/testData/codegen/box/inference/suspendExtensionRecevierFromConstraint.kt
+++ b/compiler/testData/codegen/box/inference/suspendExtensionRecevierFromConstraint.kt
@@ -1,3 +1,6 @@
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
+
 // WITH_RUNTIME
 // !LANGUAGE: +NewInference
 
diff --git a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForDownTo.kt b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForDownTo.kt
index 07744eaff6a..6ea04b67d1c 100644
--- a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForDownTo.kt
+++ b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForDownTo.kt
@@ -1,5 +1,4 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: STDLIB_ASSERT
+// KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForDownToReversed.kt b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForDownToReversed.kt
index ac372b8d7ac..fe5c62edf7f 100644
--- a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForDownToReversed.kt
+++ b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForDownToReversed.kt
@@ -1,5 +1,4 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: KOTLIN_TEST_LIB
+// KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForNullableArgument.kt b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForNullableArgument.kt
index 8e52460fbc0..0e5899de254 100644
--- a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForNullableArgument.kt
+++ b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForNullableArgument.kt
@@ -1,5 +1,4 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: KOTLIN_TEST_LIB
+// KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForRangeLiteral.kt b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForRangeLiteral.kt
index 38082b862bb..5ab2d3d3794 100644
--- a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForRangeLiteral.kt
+++ b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForRangeLiteral.kt
@@ -1,5 +1,4 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: STDLIB_ASSERT
+// KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForRangeLiteralReversed.kt b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForRangeLiteralReversed.kt
index c2a15be9963..5f96894b6ae 100644
--- a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForRangeLiteralReversed.kt
+++ b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForRangeLiteralReversed.kt
@@ -1,5 +1,4 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: KOTLIN_TEST_LIB
+// KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForUntil.kt b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForUntil.kt
index 692857041a6..d28c1f585f1 100644
--- a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForUntil.kt
+++ b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForUntil.kt
@@ -1,5 +1,4 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: KOTLIN_TEST_LIB
+// KJS_WITH_FULL_RUNTIME
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForUntilReversed.kt b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForUntilReversed.kt
index 15467ff0bd4..a289104cfbc 100644
--- a/compiler/testData/codegen/box/ranges/contains/evaluationOrderForUntilReversed.kt
+++ b/compiler/testData/codegen/box/ranges/contains/evaluationOrderForUntilReversed.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: KOTLIN_TEST_LIB
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/inComparableRange.kt b/compiler/testData/codegen/box/ranges/contains/inComparableRange.kt
index 6cd6fd917da..8aad5a2332d 100644
--- a/compiler/testData/codegen/box/ranges/contains/inComparableRange.kt
+++ b/compiler/testData/codegen/box/ranges/contains/inComparableRange.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: IGNORED_IN_JS
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/inOptimizableDoubleRange.kt b/compiler/testData/codegen/box/ranges/contains/inOptimizableDoubleRange.kt
index a811ebf3e4f..7e2835d5809 100644
--- a/compiler/testData/codegen/box/ranges/contains/inOptimizableDoubleRange.kt
+++ b/compiler/testData/codegen/box/ranges/contains/inOptimizableDoubleRange.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: IGNORED_IN_JS
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/inOptimizableFloatRange.kt b/compiler/testData/codegen/box/ranges/contains/inOptimizableFloatRange.kt
index d97d9ccc523..54392597ad7 100644
--- a/compiler/testData/codegen/box/ranges/contains/inOptimizableFloatRange.kt
+++ b/compiler/testData/codegen/box/ranges/contains/inOptimizableFloatRange.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: IGNORED_IN_JS
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/inOptimizableIntRange.kt b/compiler/testData/codegen/box/ranges/contains/inOptimizableIntRange.kt
index 7eff3310b5b..377ced92278 100644
--- a/compiler/testData/codegen/box/ranges/contains/inOptimizableIntRange.kt
+++ b/compiler/testData/codegen/box/ranges/contains/inOptimizableIntRange.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: IGNORED_IN_JS
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/ranges/contains/inOptimizableLongRange.kt b/compiler/testData/codegen/box/ranges/contains/inOptimizableLongRange.kt
index 6016f2278b2..22a087970f5 100644
--- a/compiler/testData/codegen/box/ranges/contains/inOptimizableLongRange.kt
+++ b/compiler/testData/codegen/box/ranges/contains/inOptimizableLongRange.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: IGNORED_IN_JS
 // WITH_RUNTIME
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/sam/constructors/comparator.kt b/compiler/testData/codegen/box/sam/constructors/comparator.kt
index 6d40f03b8af..e84a7ed538b 100644
--- a/compiler/testData/codegen/box/sam/constructors/comparator.kt
+++ b/compiler/testData/codegen/box/sam/constructors/comparator.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: STDLIB_SORT
 // WITH_RUNTIME
 // SKIP_DCE_DRIVEN
 
diff --git a/compiler/testData/codegen/box/sam/constructors/nonLiteralComparator.kt b/compiler/testData/codegen/box/sam/constructors/nonLiteralComparator.kt
index da8b086ca85..25456742843 100644
--- a/compiler/testData/codegen/box/sam/constructors/nonLiteralComparator.kt
+++ b/compiler/testData/codegen/box/sam/constructors/nonLiteralComparator.kt
@@ -1,5 +1,3 @@
-// IGNORE_BACKEND: WASM
-// WASM_MUTE_REASON: STDLIB_SORT
 // WITH_RUNTIME
 // SKIP_DCE_DRIVEN
 
diff --git a/compiler/testData/codegen/box/suspendConversion/basicSuspendConversion.kt b/compiler/testData/codegen/box/suspendConversion/basicSuspendConversion.kt
index 2d250e286c0..eb793e0d9a6 100644
--- a/compiler/testData/codegen/box/suspendConversion/basicSuspendConversion.kt
+++ b/compiler/testData/codegen/box/suspendConversion/basicSuspendConversion.kt
@@ -1,4 +1,6 @@
 // IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
 
 // !LANGUAGE: +SuspendConversion
 // !DIAGNOSTICS: -UNUSED_PARAMETER
diff --git a/compiler/testData/codegen/box/suspendConversion/basicSuspendConversionDefault.kt b/compiler/testData/codegen/box/suspendConversion/basicSuspendConversionDefault.kt
index d1ead7f52fa..9ed12c0f0df 100644
--- a/compiler/testData/codegen/box/suspendConversion/basicSuspendConversionDefault.kt
+++ b/compiler/testData/codegen/box/suspendConversion/basicSuspendConversionDefault.kt
@@ -1,4 +1,6 @@
 // IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
 
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 
diff --git a/compiler/testData/codegen/box/suspendConversion/chainedFunSuspendConversionForSimpleExpression.kt b/compiler/testData/codegen/box/suspendConversion/chainedFunSuspendConversionForSimpleExpression.kt
index ec2a4726762..5bd643787af 100644
--- a/compiler/testData/codegen/box/suspendConversion/chainedFunSuspendConversionForSimpleExpression.kt
+++ b/compiler/testData/codegen/box/suspendConversion/chainedFunSuspendConversionForSimpleExpression.kt
@@ -1,6 +1,8 @@
 // !LANGUAGE: +SuspendConversion
 // IGNORE_BACKEND: JVM
 // IGNORE_BACKEND_FIR: JVM_IR
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
 
 fun interface SuspendRunnable {
     suspend fun invoke()
diff --git a/compiler/testData/codegen/box/suspendConversion/overloadResolutionBySuspendModifier.kt b/compiler/testData/codegen/box/suspendConversion/overloadResolutionBySuspendModifier.kt
index 454be32d7cf..9c9402141d4 100644
--- a/compiler/testData/codegen/box/suspendConversion/overloadResolutionBySuspendModifier.kt
+++ b/compiler/testData/codegen/box/suspendConversion/overloadResolutionBySuspendModifier.kt
@@ -1,6 +1,8 @@
 // !LANGUAGE: +SuspendConversion
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
 
 var foo1 = false
 var foo2 = false
diff --git a/compiler/testData/codegen/box/suspendConversion/severalConversionsInOneCall.kt b/compiler/testData/codegen/box/suspendConversion/severalConversionsInOneCall.kt
index 23362be1de5..80793bfc381 100644
--- a/compiler/testData/codegen/box/suspendConversion/severalConversionsInOneCall.kt
+++ b/compiler/testData/codegen/box/suspendConversion/severalConversionsInOneCall.kt
@@ -2,6 +2,8 @@
 // !LANGUAGE: +SuspendConversion
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
 
 fun foo(f: () -> String, g: suspend () -> String, h: suspend () -> String) {}
 
diff --git a/compiler/testData/codegen/box/suspendConversion/suspendConversionOnVarargElements.kt b/compiler/testData/codegen/box/suspendConversion/suspendConversionOnVarargElements.kt
index d8940be6cc1..13a1734d736 100644
--- a/compiler/testData/codegen/box/suspendConversion/suspendConversionOnVarargElements.kt
+++ b/compiler/testData/codegen/box/suspendConversion/suspendConversionOnVarargElements.kt
@@ -3,6 +3,8 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // IGNORE_BACKEND: JVM
 // IGNORE_BACKEND_FIR: JVM_IR
+// IGNORE_BACKEND: WASM
+// WASM_MUTE_REASON: COROUTINES
 
 fun useSuspendVararg(vararg sfn: suspend () -> Unit) {}