use codeFixAvailable instead of codeFix

Author: a-tarasyuk

tests/cases/fourslash/importNameCodeFixNewImportNodeModules5.ts

@@ -18,14 +18,6 @@
 ////   "types": "bin/lib/libfile.d.ts"
 //// }
 
-verify.codeFix({
-    index: 0,
-    description: [ts.Diagnostics.Add_missing_function_declaration_0.message, "f1"],
-    newFileContent:
-`f1('');
-
-function f1(arg0: string) {
-    throw new Error("Function not implemented.");
-}
-`
-});
+verify.codeFixAvailable([
+    { description: "Add missing function declaration 'f1'" }
+]);