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

compiler/testData/diagnostics/tests/override/parameterNames/changeOnOverrideDiagnostic.fir.kt

@@ -0,0 +1,13 @@
+interface A {
+    fun b(a : Int)
+}
+
+interface B : A {}
+
+class C1 : A {
+    override fun b(b : Int) {}
+}
+
+class C2 : B {
+    override fun b(b : Int) {}
+}