[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/delegatedProperty/thisInDelegate.fir.kt

@@ -0,0 +1,15 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+import kotlin.reflect.KProperty
+
+val Int.a by Delegate(this)
+
+class A {
+  val Int.a by <!INAPPLICABLE_CANDIDATE!>Delegate<!>(this)
+}
+
+class Delegate(i: Int) {
+  operator fun getValue(t: Any?, p: KProperty<*>): Int {
+    return 1
+  }
+}