Implement property for explicit jvmTarget for script definition...

Apply the property to the default JSR-223 script taking the value from
java.specification.version property, so effectively implementing
jvmTarget detection from current VM.
Also drop enforcing of target 1.8, using common default.
#KT-49329 fixed
#KT-40497 fixed

libraries/scripting/jsr223-test/build.gradle.kts

@@ -10,12 +10,21 @@ val embeddableTestRuntime by configurations.creating {
     }
 }
 
+val testJsr223Runtime by configurations.creating {
+    extendsFrom(configurations["testRuntimeClasspath"])
+}
+
+val testCompilationClasspath by configurations.creating
+
 dependencies {
     testApi(commonDep("junit"))
     testCompileOnly(project(":kotlin-scripting-jvm-host-unshaded"))
     testCompileOnly(project(":compiler:cli"))
     testCompileOnly(project(":core:util.runtime"))
-    
+
+    testApi(projectTests(":compiler:test-infrastructure-utils"))
+    testApi(projectTests(":kotlin-scripting-compiler")) { isTransitive = false }
+
     testRuntimeOnly(project(":kotlin-scripting-jsr223-unshaded"))
     testRuntimeOnly(project(":kotlin-compiler"))
     testRuntimeOnly(project(":kotlin-reflect"))
@@ -24,6 +33,8 @@ dependencies {
     embeddableTestRuntime(project(":kotlin-scripting-jsr223"))
     embeddableTestRuntime(project(":kotlin-scripting-compiler-embeddable"))
     embeddableTestRuntime(testSourceSet.output)
+
+    testCompilationClasspath(kotlinStdlib())
 }
 
 sourceSets {
@@ -35,7 +46,16 @@ tasks.withType<org.jetbrains.kotlin.gradle.dsl.KotlinCompile<*>> {
     kotlinOptions.freeCompilerArgs += "-Xallow-kotlin-package"
 }
 
-projectTest(parallel = true)
+projectTest(parallel = true) {
+    dependsOn(":dist")
+    workingDir = rootDir
+    val testRuntimeProvider = project.provider { testJsr223Runtime.asPath }
+    val testCompilationClasspathProvider = project.provider { testCompilationClasspath.asPath }
+    doFirst {
+        systemProperty("testJsr223RuntimeClasspath", testRuntimeProvider.get())
+        systemProperty("testCompilationClasspath", testCompilationClasspathProvider.get())
+    }
+}
 
 projectTest(taskName = "embeddableTest", parallel = true) {
     workingDir = rootDir