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

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

@@ -0,0 +1,11 @@
+abstract class B() {
+    abstract fun foo2(arg: Int = 239) : Int
+}
+
+class C() : B() {
+    override fun foo2(arg: Int) : Int = arg
+}
+
+fun invokeIt() {
+    C().foo2()
+}