[FIR-TEST] Move analysis tests to separate module

compiler/fir/analysis-tests/testData/resolve/expresssions/outerObject.kt

@@ -0,0 +1,10 @@
+ object Outer {
+     val x = 0
+     fun Nested.foo() {}
+     class Nested {
+         val y = x
+         fun test() {
+             foo()
+         }
+     }
+ }