Add more tests in uncommonCases folder

1) dataClass.kt - test with data class
2) receiver.kt - test with Int extension receiver
3) delegation.kt - test with implementation by delegation

compiler/visualizer/testData/uncommonCases/resultFiles/receiver.kt

@@ -0,0 +1,27 @@
+fun Int.addOne(): Int {
+//              fun (Int).plus(Int): Int
+//              │ Int
+//              │ │
+    return this + 1
+}
+
+//      Int
+//      │
+val Int.repeat: Int
+    get() = this
+
+fun main() {
+//      Int Int
+//      │   │
+    val i = 2
+//  val main.i: Int
+//  │ fun Int.addOne(): Int
+//  │ │
+    i.addOne()
+//          val main.i: Int
+//          │ val Int.repeat: Int
+//          │ │      fun (Int).times(Int): Int
+//      Int │ │      │ Int
+//      │   │ │      │ │
+    val p = i.repeat * 2
+}