Groupped tests by folders

idea/testData/intentions/loopToCallChain/toCollection/toMutableSet2.kt

@@ -0,0 +1,10 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'toMutableSet()'"
+// IS_APPLICABLE_2: false
+fun foo(map: Map<Int, String>): MutableCollection<String> {
+    val result = hashSetOf<String>()
+    <caret>for (s in map.values) {
+        result.add(s)
+    }
+    return result
+}