Groupped tests by folders

idea/testData/intentions/loopToCallChain/map/mapNotNullTo.kt

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'mapNotNullTo(){}'"
+// IS_APPLICABLE_2: false
+fun foo(list: List<String?>, target: MutableList<Int>) {
+    <caret>for (s in list) {
+        val length = s?.length
+        if (length == null) continue
+        target.add(length)
+    }
+}