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

compiler/testData/diagnostics/tests/Properties.fir.kt

@@ -0,0 +1,22 @@
+var x : Int = 1 + x
+   get() : Int = 1
+   set(value : Long) {
+      field = value.toInt()
+      field = 1.toLong()
+    }
+
+ val xx : Int = 1 + x
+   get() : Int = 1
+   set(value : Long) {}
+
+  val p : Int = 1
+    get() = 1
+
+class Test() {
+    var a : Int = 111
+    var b : Int = 222
+        get() = field
+        set(x) {a = x; field = x}
+
+   public val i = 1
+}