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

compiler/testData/diagnostics/tests/scopes/AmbiguousNonExtensions.fir.kt

@@ -0,0 +1,18 @@
+// FILE: a.kt
+package a
+
+val v = 1
+fun f() = 1
+
+// FILE: b.kt
+package b
+
+val v = 1
+fun f() = 1
+
+// FILE: main.kt
+import a.*
+import b.*
+
+val vv = <!AMBIGUITY!>v<!>
+val ff = <!AMBIGUITY!>f<!>()