backend/tests: Add blackbox tests from Kotlin JVM

Added tests from testData/codegen/box directory. There are blackbox tests
in other directories and they are to be added.

backend.native/tests/external/codegen/blackbox/classLiteral/java/javaReified.kt

@@ -0,0 +1,27 @@
+// TODO: muted automatically, investigate should it be ran for JS or not
+// IGNORE_BACKEND: JS
+
+// WITH_RUNTIME
+
+inline fun <reified T : Any> check(expected: String) {
+    val clazz = T::class.java!!
+    assert (clazz.canonicalName == "java.lang.$expected") {
+        "clazz name: ${clazz.canonicalName}"
+    }
+}
+
+fun box(): String {
+    check<Boolean>("Boolean")
+    check<Char>("Character")
+    check<Byte>("Byte")
+    check<Short>("Short")
+    check<Int>("Integer")
+    check<Float>("Float")
+    check<Long>("Long")
+    check<Double>("Double")
+
+    check<String>("String")
+    check<Void>("Void")
+
+    return "OK"
+}