[Gradle] Adjust functionalTests for stdlib-jdk7, stdlib-jdk8 constraint to 1.8.0

^KT-60901 Verification Pending

libraries/tools/kotlin-gradle-plugin/src/functionalTest/kotlin/org/jetbrains/kotlin/gradle/dependencyResolutionTests/tcs/IdeJvmAndAndroidDependencyResolutionTest.kt

@@ -174,8 +174,7 @@ class IdeJvmAndAndroidDependencyResolutionTest {
             binaryCoordinates("com.arkivanov.mvikotlin:mvikotlin-jvm:3.2.1"),
             binaryCoordinates("com.arkivanov.essenty:lifecycle-jvm:1.0.0"),
             binaryCoordinates("com.arkivanov.essenty:instance-keeper-jvm:1.0.0"),
-            binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kgpVersion"),
-            binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kgpVersion"),
+            legacyStdlibJdkDependencies(),
             binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib:$kgpVersion"),
             binaryCoordinates("org.jetbrains:annotations:13.0"),
         )

libraries/tools/kotlin-gradle-plugin/src/functionalTest/kotlin/org/jetbrains/kotlin/gradle/dependencyResolutionTests/tcs/IdeTransformedMetadataDependencyResolverTest.kt

@@ -102,16 +102,14 @@ class IdeTransformedMetadataDependencyResolverTest {
         val kgpVersion = project.getKotlinPluginVersion()
         commonMain.binaryDependencies().assertMatches(
             binaryCoordinates("com.squareup.okio:okio-jvm:3.2.0"),
-            binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kgpVersion"),
-            binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kgpVersion"),
+            legacyStdlibJdkDependencies(),
             binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib:$kgpVersion"),
             binaryCoordinates("org.jetbrains:annotations:13.0"),
         )
 
         commonTest.binaryDependencies().assertMatches(
             binaryCoordinates("com.squareup.okio:okio-jvm:3.2.0"),
-            binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kgpVersion"),
-            binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kgpVersion"),
+            legacyStdlibJdkDependencies(),
             binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib:$kgpVersion"),
             binaryCoordinates("org.jetbrains:annotations:13.0"),
         )

libraries/tools/kotlin-gradle-plugin/src/functionalTest/kotlin/org/jetbrains/kotlin/gradle/util/ideDependencyResolutionTestUtils.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2023 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.gradle.util
+
+import org.jetbrains.kotlin.gradle.idea.testFixtures.tcs.binaryCoordinates
+
+/**
+ * Legacy -jdk8 and -jdk7 dependencies:
+ * Those artifacts will be published as empty jars starting from Kotlin 1.8.0 as
+ * the classes will be included in the kotlin-stdlib artifact already.
+ *
+ * Note: The kotlin-stdlib will add a constraint to always resolve 1.8.0 of those artifacts.
+ * This will be necessary in the future, when no more jdk8 or jdk7 artifacts will be published:
+ * In this case we need to still resolve to a version that will contain empty artifacts (1.8.0)
+ *
+ */
+fun legacyStdlibJdkDependencies(version: String = "1.8.0") = listOf(
+    binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$version"),
+    binaryCoordinates("org.jetbrains.kotlin:kotlin-stdlib-jdk7:$version"),
+)