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

compiler/testData/diagnostics/tests/delegatedProperty/inference/labeledDelegatedExpression.fir.kt

@@ -0,0 +1,11 @@
+import kotlin.reflect.KProperty
+
+class A3 {
+    val a: String by l@ MyProperty()
+
+    class MyProperty<T> {}
+
+    operator fun <T> MyProperty<T>.getValue(thisRef: Any?, desc: KProperty<*>): T {
+        throw Exception("$thisRef $desc")
+    }
+}