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

compiler/testData/diagnostics/tests/qualifiedExpression/PackageVsRootClass.fir.kt

@@ -0,0 +1,44 @@
+// MODULE: m1
+// FILE: a.kt
+package a
+
+class b {
+    fun a_b() {}
+}
+
+// MODULE: m2
+// FILE: b.kt
+class a {
+    class b {
+        fun _ab() {}
+    }
+}
+
+// MODULE: m3(m1, m2)
+// FILE: c1.kt
+package some
+
+fun test(a_b: a.b) {
+    a_b.a_b()
+
+    val a_b2 = a.b()
+    a_b2.a_b()
+}
+
+// FILE: c2.kt
+package a
+
+fun test(a_b: a.b) {
+    a_b.a_b()
+
+    val a_b2 = a.b()
+    a_b2.a_b()
+}
+
+// FILE: c3.kt
+fun test(_ab: a.b) {
+    _ab._ab()
+
+    val _ab2 = a.b()
+    _ab2._ab() // todo
+}