Simplified flag check and test

Author: JoshuaKGoldberg

packages/eslint-plugin-example-typed-linting/src/rules/no-loop-over-enum.test.ts

@@ -15,7 +15,7 @@ const ruleTester = new RuleTester({
     parser: tseslint.parser,
     parserOptions: {
       projectService: {
-        allowDefaultProject: ["file.ts"],
+        allowDefaultProject: ["*.ts*"],
         defaultProject: "tsconfig.json",
       },
       tsconfigRootDir: path.join(__dirname, "../.."),

packages/eslint-plugin-example-typed-linting/src/rules/no-loop-over-enum.ts

@@ -11,7 +11,7 @@ export const rule = createRule({
       ForInStatement(node) {
         const type = services.getTypeAtLocation(node.right);
 
-        if ((type.symbol.flags & ts.SymbolFlags.Enum) !== 0) {
+        if (type.symbol.flags & ts.SymbolFlags.Enum) {
           context.report({
             messageId: "loopOverEnum",
             node: node.right,