[Tests] Fix invalid strict-mode syntax with hexadecimal

Author: christianbundy

.eslintrc

@@ -4,7 +4,6 @@
     "rules": {
         "indent": [2, 4],
         "strict": 1,
-        "no-octal-escape": 1,
     },
     "globals": {
         "BigInt": false,

test/lowbyte.js

@@ -1,7 +1,7 @@
 var test = require('tape');
 var inspect = require('../');
 
-var obj = { x: 'a\r\nb', y: '\5! \x1f \022' };
+var obj = { x: 'a\r\nb', y: '\x05! \x1f \x12' };
 
 test('interpolate low bytes', function (t) {
     t.plan(1);