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

compiler/testData/diagnostics/tests/namedArguments/ambiguousNamedArgumentsWithGenerics1.fir.kt

@@ -0,0 +1,15 @@
+interface A<T> {
+    fun foo(a: T)
+}
+
+interface B {
+    fun foo(b: Int)
+}
+
+interface C : A<Int>, B { // Warning here, this is correct
+}
+
+fun test(c: C) {
+    c.foo(a = 1)
+    c.<!INAPPLICABLE_CANDIDATE!>foo<!>(b = 1)
+}