[LC] rename ultraLightClasses to lightClassByPsi

compiler/testData/asJava/lightClasses/lightClassByPsi/delegatingToInterfaces.kt

@@ -0,0 +1,20 @@
+
+interface Base {
+    fun printMessage()
+    fun printMessageLine()
+
+    val x: Int
+    var y: Int
+
+    fun String.foo(y: Any?): Int
+}
+
+class BaseImpl(val x: Int) : Base {
+    override fun printMessage() { print(x) }
+    override fun printMessageLine() { println(x) }
+}
+
+class Derived(b: Base) : Base by b {
+    override fun printMessage() { print("abc") }
+}
+// COMPILATION_ERRORS