fix: array output now join with "" instead of ","

test/integration/builtin/filters/array.ts

@@ -36,7 +36,7 @@ describe('filters/array', function () {
   describe('map', () => {
     it('should support map', function () {
       const posts = [{ category: 'foo' }, { category: 'bar' }]
-      return test('{{posts | map: "category"}}', { posts }, 'foo,bar')
+      return test('{{posts | map: "category"}}', { posts }, 'foobar')
     })
     it('should normalize non-array input', function () {
       const post = { category: 'foo' }
@@ -53,7 +53,7 @@ describe('filters/array', function () {
   describe('compact', () => {
     it('should compact array', function () {
       const posts = [{ category: 'foo' }, { category: 'bar' }, { foo: 'bar' }]
-      return test('{{posts | map: "category" | compact}}', { posts }, 'foo,bar')
+      return test('{{posts | map: "category" | compact}}', { posts }, 'foobar')
     })
   })
   describe('reverse', function () {

test/integration/builtin/tags/assign.ts

@@ -24,7 +24,7 @@ describe('tags/assign', function () {
   it('should assign as array', async function () {
     const src = '{% assign foo=(1..3) %}{{foo}}'
     const html = await liquid.parseAndRender(src)
-    return expect(html).to.equal('1,2,3')
+    return expect(html).to.equal('123')
   })
   it('should assign as filter result', async function () {
     const src = '{% assign foo="a b" | capitalize | split: " " | first %}{{foo}}'