Pull Up: Move Kotlin -> Kotlin tests to separate directory

idea/testData/refactoring/pullUp/k2k/noInitializationInInterface.kt

@@ -0,0 +1,10 @@
+interface T
+
+class <caret>A: T {
+    // INFO: {"checked": "true"}
+    val n: Int
+
+    constructor(a: Int) {
+        n = a + 1
+    }
+}