Groupped tests by folders

idea/testData/intentions/loopToCallChain/flatMap/indexUsed.kt.after2

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'mapIndexed{}.flatMap{}.firstOrNull{}'"
+// INTENTION_TEXT_2: "Replace with 'asSequence().mapIndexed{}.flatMap{}.firstOrNull{}'"
+fun foo(list: List<String>): String? {
+    <caret>return list
+            .asSequence()
+            .mapIndexed { index, s -> s.lines().take(index) }
+            .flatMap { it.asSequence() }
+            .firstOrNull { it.isNotBlank() }
+}