[LC] rename ultraLightClasses to lightClassByPsi

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

@@ -0,0 +1,26 @@
+import java.util.*
+
+class MyList : List<String> {
+  override operator fun get(index: Int): String {}
+}
+
+interface ASet<T> : MutableCollection<T> {}
+
+abstract class MySet<T> : ASet<T> {
+  override fun remove(elem: String): Boolean {}
+
+}
+
+abstract class SmartSet<T> private constructor() : AbstractMutableSet<T>() {
+  override fun iterator(): MutableIterator<T> = unresolved
+
+  override fun add(element: T): Boolean {
+    return true
+  }
+
+  /* Should erasure T but UL classes does not support it in this case
+  override fun contains(element: T): Boolean = true
+   */
+}
+
+// COMPILATION_ERRORS