Build: Add a separate task for K2 native codegen box tests

native/native.tests/build.gradle.kts

@@ -44,6 +44,7 @@ if (kotlinBuildProperties.isInJpsBuildIdeaSync) {
 // Tasks that run different sorts of tests. Most frequent use case: running specific tests at TeamCity.
 val infrastructureTest = nativeTest("infrastructureTest", "infrastructure")
 val codegenBoxTest = nativeTest("codegenBoxTest", "codegen")
+val codegenK2BoxTest = nativeTest("codegenK2BoxTest", "codegenK2")
 val stdlibTest = nativeTest("stdlibTest", "stdlib")
 val kotlinTestLibraryTest = nativeTest("kotlinTestLibraryTest", "kotlin-test")
 val klibAbiTest = nativeTest("klibAbiTest", "klib-abi")

native/native.tests/tests/org/jetbrains/kotlin/generators/tests/GenerateNativeTests.kt

@@ -34,7 +34,7 @@ fun main() {
         testGroup("native/native.tests/tests-gen", "compiler/testData") {
             testClass<AbstractNativeCodegenBoxTest>(
                 suiteTestClassName = "K2NativeCodegenBoxTestGenerated",
-                annotations = listOf(codegen(), provider<UseExtTestCaseGroupProvider>(), provider<K2Pipeline>())
+                annotations = listOf(codegenK2(), provider<UseExtTestCaseGroupProvider>(), provider<K2Pipeline>())
             ) {
                 model("codegen/box", targetBackend = TargetBackend.NATIVE)
                 model("codegen/boxInline", targetBackend = TargetBackend.NATIVE)
@@ -121,5 +121,6 @@ private fun debugOnly() = annotation(
 )
 
 private fun codegen() = annotation(Tag::class.java, "codegen")
+private fun codegenK2() = annotation(Tag::class.java, "codegenK2")
 private fun debugger() = annotation(Tag::class.java, "debugger")
 private fun infrastructure() = annotation(Tag::class.java, "infrastructure")