Groupped tests by folders

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

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'mapIndexedNotNull{}.mapTo(){}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().mapIndexedNotNull{}.mapTo(){}'"
+fun foo(list: List<String?>, target: MutableList<String>) {
+    <caret>for ((index, s) in list.withIndex()) {
+        val length = s?.substring(index)?.length
+        if (length == null) continue
+        target.add(length.toString())
+    }
+}