[IDE-NI-MIGRATE] [BAD] Migrate testdata of LocalInspection tests

idea/testData/inspectionsLocal/suspiciousCollectionReassignment/hasError_ni.kt

@@ -0,0 +1,9 @@
+// PROBLEM: none
+// WITH_RUNTIME
+// ERROR: Type mismatch: inferred type is List<{Comparable<{Int & String}> & java.io.Serializable}> but List<String> was expected
+// COMPILER_ARGUMENTS: -XXLanguage:+NewInference
+
+fun test() {
+    var list = listOf("")
+    list <caret>+= 1
+}