diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/NewMultiplatformIT.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/NewMultiplatformIT.kt
index d5531f0f14b..ad7dff21cdc 100644
--- a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/NewMultiplatformIT.kt
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/NewMultiplatformIT.kt
@@ -341,6 +341,7 @@ open class NewMultiplatformIT : BaseGradleIT() {
                 assertTasksExecuted(*compileTasksNames.toTypedArray(), ":allMetadataJar")
 
                 val groupDir = projectDir.resolve("repo/com/example")
+
                 @Suppress("DEPRECATION")
                 val jsExtension = if (jsCompilerType == KotlinJsCompilerType.LEGACY) "jar" else "klib"
                 val jsJarName = "sample-lib-nodejs/1.0/sample-lib-nodejs-1.0.$jsExtension"
@@ -830,10 +831,16 @@ open class NewMultiplatformIT : BaseGradleIT() {
             build(task) {
                 assertSuccessful()
                 assertTasksExecuted(":$task")
+                val arguments = parseCompilerArguments<K2NativeCompilerArguments>()
+                assertTrue(arguments.progressiveMode, "Expected progressiveMode")
+                assertTrue(arguments.noInline, "Expected no-inline")
+                assertEquals(
+                    setOf("kotlin.ExperimentalUnsignedTypes", "kotlin.contracts.ExperimentalContracts"),
+                    arguments.optIn?.toSet()
+                )
                 assertContains(
                     "-XXLanguage:+InlineClasses",
-                    "-progressive", "-opt-in=kotlin.ExperimentalUnsignedTypes",
-                    "-opt-in=kotlin.contracts.ExperimentalContracts",
+                    "-progressive",
                     "-Xno-inline"
                 )
             }
@@ -1561,8 +1568,9 @@ open class NewMultiplatformIT : BaseGradleIT() {
                 "jvm6", "nodeJs", "mingw64", "mingw86", "linux64", "macos64", "linuxMipsel32", "wasm"
             ).flatMapTo(mutableSetOf()) { target ->
                 listOf("main", "test").map { compilation ->
-                    Triple(target, compilation,
-                           "$target${compilation.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }}"
+                    Triple(
+                        target, compilation,
+                        "$target${compilation.replaceFirstChar { if (it.isLowerCase()) it.titlecase(Locale.getDefault()) else it.toString() }}"
                     )
                 }
             } + Triple("metadata", "main", "commonMain")
@@ -1771,7 +1779,8 @@ open class NewMultiplatformIT : BaseGradleIT() {
                             Locale.getDefault()
                         ) else it.toString()
                     }
-                }" }
+                }"
+            }
 
             build(
                 *tasks.toTypedArray()
@@ -1956,12 +1965,14 @@ open class NewMultiplatformIT : BaseGradleIT() {
     }
 
     @Test
-    fun testWasmJs() = with(Project(
-        "new-mpp-wasm-js",
-        // TODO: this test fails with deprecation error on Gradle <7.0
-        // Should be fixed via planned fixes in Kotlin/JS plugin: https://youtrack.jetbrains.com/issue/KFC-252
-        gradleVersionRequirement = GradleVersionRequired.AtLeast(TestVersions.Gradle.G_7_0)
-    )) {
+    fun testWasmJs() = with(
+        Project(
+            "new-mpp-wasm-js",
+            // TODO: this test fails with deprecation error on Gradle <7.0
+            // Should be fixed via planned fixes in Kotlin/JS plugin: https://youtrack.jetbrains.com/issue/KFC-252
+            gradleVersionRequirement = GradleVersionRequired.AtLeast(TestVersions.Gradle.G_7_0)
+        )
+    ) {
         setupWorkingDir()
         gradleBuildScript().modify(::transformBuildScriptWithPluginsDsl)
         build("build") {
diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/util/compilerArgumentUtils.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/util/compilerArgumentUtils.kt
index 6f61c251afa..e23f1ad0772 100644
--- a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/util/compilerArgumentUtils.kt
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/util/compilerArgumentUtils.kt
@@ -8,14 +8,27 @@ package org.jetbrains.kotlin.gradle.util
 import org.gradle.testkit.runner.BuildResult
 import org.jetbrains.kotlin.cli.common.arguments.CommonCompilerArguments
 import org.jetbrains.kotlin.cli.common.arguments.parseCommandLineArguments
+import org.jetbrains.kotlin.gradle.BaseGradleIT
 import kotlin.reflect.KClass
 
 inline fun <reified T : CommonCompilerArguments> BuildResult.parseCompilerArguments(): T {
     return parseCompilerArguments(T::class)
 }
 
+inline fun <reified T : CommonCompilerArguments> BaseGradleIT.CompiledProject.parseCompilerArguments(): T {
+    return parseCompilerArguments(T::class)
+}
+
 fun <T : CommonCompilerArguments> BuildResult.parseCompilerArguments(type: KClass<T>): T {
-    val arguments = findCommandLineArguments(output).lines().map { it.trim() }
+    return parseCompilerArgumentsFromBuildOutput(type, output)
+}
+
+fun <T : CommonCompilerArguments> BaseGradleIT.CompiledProject.parseCompilerArguments(type: KClass<T>): T {
+    return parseCompilerArgumentsFromBuildOutput(type, output)
+}
+
+fun <T : CommonCompilerArguments> parseCompilerArgumentsFromBuildOutput(type: KClass<T>, buildOutput: String): T {
+    val arguments = findCommandLineArguments(buildOutput).lines().map { it.trim() }
     return parseCommandLineArguments(type, arguments)
 }