Groupped tests by folders

idea/testData/intentions/loopToCallChain/toCollection/toMutableSet3.kt.after

@@ -0,0 +1,7 @@
+// WITH_RUNTIME
+// INTENTION_TEXT: "Replace with 'toMutableSet()'"
+// IS_APPLICABLE_2: false
+fun foo(map: Map<Int, String>): MutableCollection<String> {
+    val <caret>result = map.values.toMutableSet()
+    return result
+}