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

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

@@ -0,0 +1,13 @@
+public class A() {
+    public val FOO: String = "test"
+
+    public class FOO() { }
+}
+
+public class B() {
+   companion object {
+      public val FOO: String = "test"
+      
+      public class FOO() { }
+   }
+}