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

compiler/testData/diagnostics/tests/redeclarations/Redeclarations.fir.kt

@@ -0,0 +1,15 @@
+// FILE: f.kt
+package redeclarations
+  object A {
+    val x : Int = 0
+
+    val A = 1
+  }
+
+  class A {}
+
+  val A = 1
+
+// FILE: f.kt
+  package redeclarations.A
+    class A {}