fix: use absolute paths for tests in windows

test/schemes/flat/error.test.js

@@ -1,21 +1,23 @@
 'use strict';
 
+const path = require('path');
 const test = require('ava');
 
 const walk = require('../../../lib/index');
 
 test.cb('should throw error if level is not found', t => {
     t.plan(2);
 
+    const levelpath = path.resolve('./not-existing-level');
     const options = {
         levels: {}
     };
 
-    walk(['not-existing-level'], options)
+    walk([levelpath], options)
         .resume()
         .on('error', err => {
             t.is(err.code, 'ENOENT');
-            t.is(err.path, 'not-existing-level');
+            t.is(err.path, levelpath);
             t.end();
         });
 });

test/schemes/nested/error.test.js

@@ -1,21 +1,23 @@
 'use strict';
 
+const path = require('path');
 const test = require('ava');
 
 const walk = require('../../../lib/index');
 
 test.cb('should throw error if level is not found', t => {
     t.plan(2);
 
+    const levelpath = path.resolve('./not-existing-level');
     const options = {
         levels: {}
     };
 
-    walk(['not-existing-level'], options)
+    walk([levelpath], options)
         .resume()
         .on('error', err => {
             t.is(err.code, 'ENOENT');
-            t.is(err.path, 'not-existing-level');
+            t.is(err.path, levelpath);
             t.end();
         });
 });