[Native][tests] Use the single 'generateTests' task

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

@@ -1,29 +0,0 @@
-/*
- * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.generators.tests
-
-import org.jetbrains.kotlin.generators.generateTestGroupSuiteWithJUnit5
-import org.jetbrains.kotlin.generators.model.annotation
-import org.jetbrains.kotlin.konan.blackboxtest.AbstractNativeBlackBoxTest
-import org.jetbrains.kotlin.konan.blackboxtest.group.ExtTestCaseGroupProvider
-
-fun main() {
-    System.setProperty("java.awt.headless", "true")
-
-    generateTestGroupSuiteWithJUnit5 {
-        testGroup("native/native.tests/ext-tests-gen", "compiler/testData") {
-            testClass<AbstractNativeBlackBoxTest>(
-                suiteTestClassName = "NativeExtBlackBoxTestGenerated",
-                annotations = listOf(
-                    annotation(CustomNativeBlackBoxTestCaseGroupProvider::class.java, ExtTestCaseGroupProvider::class.java)
-                )
-            ) {
-                model("codegen/box")
-                model("codegen/boxInline")
-            }
-        }
-    }
-}

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

@@ -6,12 +6,28 @@
 package org.jetbrains.kotlin.generators.tests
 
 import org.jetbrains.kotlin.generators.generateTestGroupSuiteWithJUnit5
+import org.jetbrains.kotlin.generators.model.annotation
 import org.jetbrains.kotlin.konan.blackboxtest.AbstractNativeBlackBoxTest
+import org.jetbrains.kotlin.konan.blackboxtest.group.ExtTestCaseGroupProvider
 
 fun main() {
     System.setProperty("java.awt.headless", "true")
 
     generateTestGroupSuiteWithJUnit5 {
+        // External box tests.
+        testGroup("native/native.tests/tests-gen", "compiler/testData") {
+            testClass<AbstractNativeBlackBoxTest>(
+                suiteTestClassName = "NativeExtBlackBoxTestGenerated",
+                annotations = listOf(
+                    annotation(CustomNativeBlackBoxTestCaseGroupProvider::class.java, ExtTestCaseGroupProvider::class.java)
+                )
+            ) {
+                model("codegen/box")
+                model("codegen/boxInline")
+            }
+        }
+
+        // Samples (how to utilize abilities of new test infrastructure).
         testGroup("native/native.tests/tests-gen", "native/native.tests/testData") {
             testClass<AbstractNativeBlackBoxTest> {
                 model("samples")