test: fix failed tests

Author: koba04

test/base-test.js

@@ -8,8 +8,6 @@ describe("base", () => {
       "error.js": {
         errors: [
           "no-var",
-          "no-var",
-          "no-redeclare",
           "no-unused-vars",
           "getter-return",
           "no-self-assign",

test/es5-test.js

@@ -6,7 +6,7 @@ describe("es5", () => {
     const result = await runLintWithFixtures("es5");
     assert.deepStrictEqual(result, {
       "error.js": {
-        errors: ["no-redeclare", "no-unused-vars"]
+        errors: ["no-unused-vars"]
       },
       "warning.js": {
         warnings: ["array-callback-return"]

test/fixtures/base/error.js

@@ -1,6 +1,5 @@
 import mod from './mod';
 
-var foo = {};
 var foo = {};
 const obj = {
   a: 'a',

test/fixtures/es5/error.js

@@ -1,3 +1,2 @@
 var obj = {};
-var obj = {};