diff --git a/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/KotlinNativeComponent.kt b/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/KotlinNativeComponent.kt
index c75f396c703..4568753a591 100644
--- a/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/KotlinNativeComponent.kt
+++ b/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/KotlinNativeComponent.kt
@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.gradle.plugin.experimental
 
 import groovy.lang.Closure
 import org.gradle.api.Action
+import org.gradle.api.NamedDomainObjectContainer
 import org.gradle.api.artifacts.Configuration
 import org.gradle.api.provider.Provider
 import org.gradle.api.provider.SetProperty
@@ -31,6 +32,7 @@ import org.jetbrains.kotlin.gradle.plugin.experimental.sourcesets.KotlinNativeSo
 import org.jetbrains.kotlin.konan.target.KonanTarget
 
 interface KotlinNativeDependencies: ComponentDependencies {
+    val cinterops : NamedDomainObjectContainer<out CInterop>
     fun cinterop(name: String): CInterop
     fun cinterop(name: String, action: CInterop.() -> Unit)
     fun cinterop(name: String, action: Closure<Unit>)
diff --git a/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/internal/KotlinNativeDependenciesImpl.kt b/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/internal/KotlinNativeDependenciesImpl.kt
index 21399e39ffe..6263209f3c5 100644
--- a/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/internal/KotlinNativeDependenciesImpl.kt
+++ b/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/internal/KotlinNativeDependenciesImpl.kt
@@ -34,7 +34,7 @@ open class KotlinNativeDependenciesImpl @Inject constructor(
 ) : DefaultComponentDependencies(configurations, implementationName),
     KotlinNativeDependencies {
 
-    internal val cinterops = project.container(CInteropImpl::class.java) { name ->
+    override val cinterops = project.container(CInteropImpl::class.java) { name ->
         CInteropImpl(project, name).apply {
             dependencies.implementationDependencies.extendsFrom(
                 this@KotlinNativeDependenciesImpl.implementationDependencies
diff --git a/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/plugins/KotlinNativeBasePlugin.kt b/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/plugins/KotlinNativeBasePlugin.kt
index f0b9f708bab..c98c61a6172 100644
--- a/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/plugins/KotlinNativeBasePlugin.kt
+++ b/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/experimental/plugins/KotlinNativeBasePlugin.kt
@@ -31,8 +31,7 @@ import org.gradle.language.plugins.NativeBasePlugin
 import org.gradle.nativeplatform.test.tasks.RunTestExecutable
 import org.gradle.util.GradleVersion
 import org.jetbrains.kotlin.gradle.plugin.KonanPlugin
-import org.jetbrains.kotlin.gradle.plugin.experimental.CInteropSettings
-import org.jetbrains.kotlin.gradle.plugin.experimental.KotlinNativeLibrary
+import org.jetbrains.kotlin.gradle.plugin.experimental.*
 import org.jetbrains.kotlin.gradle.plugin.experimental.internal.*
 import org.jetbrains.kotlin.gradle.plugin.experimental.tasks.CInteropTask
 import org.jetbrains.kotlin.gradle.plugin.experimental.tasks.KotlinNativeCompile
@@ -186,9 +185,9 @@ class KotlinNativeBasePlugin: Plugin<ProjectInternal> {
     private fun Project.addInteropTasks() {
         val settingsToTask = mutableMapOf<CInteropSettings, CInteropTask>()
         val namesWithWarning = mutableSetOf<String>()
-        components.withType(AbstractKotlinNativeBinary::class.java) { binary ->
-            binary.component.dependencies.cinterops.all { cinterop ->
-                val konanTarget = binary.konanTarget
+
+        fun AbstractKotlinNativeBinary.setupInteropFromComponent(component: KotlinNativeComponent) {
+            component.dependencies.cinterops.all { cinterop ->
                 val settings = cinterop.target(konanTarget)
 
                 val interopTask = settingsToTask.getOrPut(settings) {
@@ -198,34 +197,47 @@ class KotlinNativeBasePlugin: Plugin<ProjectInternal> {
                         settings
                     ).apply {
                         group = INTEROP_GROUP
-                        description = "Generates Kotlin/Native interop library '${cinterop.name}' for target '${konanTarget.name}'"
+                        description =
+                                "Generates Kotlin/Native interop library '${cinterop.name}' for target '${konanTarget.name}'"
                     }
                 }
 
-                binary.klibraries.dependencies.add(dependencies.create(files(interopTask.outputFileProvider)))
-                if (binary is KotlinNativeLibrary) {
-                    binary.linkElements.get().outgoing.artifact(interopTask.outputFileProvider) {
+                klibraries.dependencies.add(project.dependencies.create(files(interopTask.outputFileProvider)))
+
+                if (this is KotlinNativeLibrary) {
+                    linkElements.get().outgoing.artifact(interopTask.outputFileProvider) {
                         it.classifier = "interop-${cinterop.name}"
                     }
                     // User can create an interop with the same name as the main library.
                     // In this case we get two libraries with the same name and one of them depends
                     // on the another. Such a situation is considered as a cyclic dependency by the compiler
                     // so we warn a user about it.
-                    val mainLibraryName = binary.linkFile.get().asFile.nameWithoutExtension
+                    val mainLibraryName = linkFile.get().asFile.nameWithoutExtension
                     val interopLibraryName = interopTask.outputFile.nameWithoutExtension
 
                     if (mainLibraryName == interopLibraryName && mainLibraryName !in namesWithWarning) {
-                        logger.warn("""
+                        logger.warn(
+                            """
 
                             Warning: you have an interop with the same name as the main library ($mainLibraryName)!
                             It may cause failures in dependent projects so consider renaming the interop.
 
-                        """.trimIndent())
+                        """.trimIndent()
+                        )
                         namesWithWarning.add(mainLibraryName)
                     }
                 }
             }
         }
+
+        components.withType(AbstractKotlinNativeBinary::class.java) { binary ->
+            binary.component.let {
+                binary.setupInteropFromComponent(it)
+                if (it is KotlinNativeTestComponent) {
+                    binary.setupInteropFromComponent(it.testedComponent)
+                }
+            }
+        }
     }
 
     private fun ProjectInternal.checkGradleMetadataFeature() {
diff --git a/tools/kotlin-native-gradle-plugin/src/test/kotlin/ExperimentalPluginTests.kt b/tools/kotlin-native-gradle-plugin/src/test/kotlin/ExperimentalPluginTests.kt
index 45ff28feeb8..7134d29e7ed 100644
--- a/tools/kotlin-native-gradle-plugin/src/test/kotlin/ExperimentalPluginTests.kt
+++ b/tools/kotlin-native-gradle-plugin/src/test/kotlin/ExperimentalPluginTests.kt
@@ -684,7 +684,7 @@ class ExperimentalPluginTests {
         }
         // endregion.
 
-        rootProject.createRunner().withArguments(":build").build().apply {
+        rootProject.createRunner().withArguments("build").build().apply {
             output.contains("Interop is here!")
             output.contains("Transitive call!")
         }
@@ -722,7 +722,7 @@ class ExperimentalPluginTests {
         assertTrue(projectDirectory.resolve("libFoo/build").deleteRecursively())
         assertTrue(projectDirectory.resolve("libBar/build").deleteRecursively())
 
-        rootProject.createRunner().withArguments(":build").build().apply {
+        rootProject.createRunner().withArguments("build").build().apply {
             output.contains("Interop is here!")
             output.contains("Transitive call!")
         }