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

compiler/testData/diagnostics/tests/namedArguments/ambiguousNamedArgumentsWithGenerics3.fir.kt

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