Moving test data into subfolders

idea/idea-completion/testData/basic/common/smartCast/SmartCastAfterIf.kt

@@ -0,0 +1,14 @@
+trait Expr
+class Num(val value : Int) : Expr
+
+fun eval(e : Expr) {
+    if (e is Num) {
+        return e.<caret>
+    }
+}
+
+// EXIST: value
+
+
+
+