[FIR-TEST] Move analysis tests to separate module

compiler/fir/analysis-tests/testData/resolve/multifile/simpleImportOuter.kt

@@ -0,0 +1,15 @@
+// FILE: A.kt
+
+package a
+
+class Outer {
+    open class Nested
+}
+
+// FILE: B.kt
+
+package b
+
+import a.Outer
+
+class My : Outer.Nested()