Continue switching projects to improved dsl: sourceSets and test running

compiler/tests-java8/build.gradle.kts

@@ -3,11 +3,6 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 apply { plugin("kotlin") }
 
 dependencies {
-    val compile by configurations
-    val compileOnly by configurations
-    val testCompile by configurations
-    val testCompileOnly by configurations
-    val testRuntime by configurations
     testCompile(commonDep("junit:junit"))
     testCompile(project(":kotlin-test:kotlin-test-jvm"))
     testCompile(project(":kotlin-test:kotlin-test-junit"))
@@ -31,8 +26,10 @@ dependencies {
     testRuntime(ideaSdkDeps("*.jar"))
 }
 
-configureKotlinProjectSources()
-configureKotlinProjectTestsDefault()
+sourceSets {
+    "main" {}
+    "test" { projectDefault() }
+}
 
 tasks.withType<KotlinCompile> {
     kotlinOptions.jdkHome = rootProject.extra["JDK_18"]!!.toString()
@@ -41,16 +38,11 @@ tasks.withType<KotlinCompile> {
 
 testsJar {}
 
-tasks.withType<Test> {
+projectTest {
     executable = "${rootProject.extra["JDK_18"]!!}/bin/java"
     dependsOnTaskIfExistsRec("dist", project = rootProject)
     dependsOn(":prepare:mock-runtime-for-test:dist")
     workingDir = rootDir
-    systemProperty("idea.is.unit.test", "true")
-    environment("NO_FS_ROOTS_ACCESS_CHECK", "true")
     systemProperty("kotlin.test.script.classpath", the<JavaPluginConvention>().sourceSets.getByName("test").output.classesDirs.joinToString(File.pathSeparator))
-    jvmArgs("-ea", "-XX:+HeapDumpOnOutOfMemoryError", "-Xmx1200m", "-XX:+UseCodeCacheFlushing", "-XX:ReservedCodeCacheSize=128m", "-Djna.nosys=true")
-    maxHeapSize = "1200m"
-    ignoreFailures = true
 }