Groupped tests by folders

idea/testData/intentions/loopToCallChain/smartCasts/smartCastThisRequired.kt

@@ -0,0 +1,12 @@
+// WITH_RUNTIME
+// IS_APPLICABLE: false
+// IS_APPLICABLE_2: false
+fun Any.foo(list: List<String>): Int? {
+    <caret>for (s in list) {
+        if (s.length > 0 && this is String) {
+            val result = s.length + length
+            return result
+        }
+    }
+    return null
+}