Fix test

Author: RusinovAnton

test.js

@@ -21,15 +21,15 @@ describe('styled-jsx-plugin-less', () => {
 
   it('works with expressions placeholders', () => {
     assert.equal(
-      plugin('p { img { display: block } color: %%styled-jsx-expression-1%%; } %%styled-jsx-expression-1%%').trim(),
+      plugin('p { img { display: block } color: %%styled-jsx-placeholder-1%%; } %%styled-jsx-placeholder-1%%').trim(),
       cleanup(`
         p {
-          color: %%styled-jsx-expression-1%%;
+          color: %%styled-jsx-placeholder-1%%;
         }
         p img {
           display: block;
         }
-        %%styled-jsx-expression-1%%
+        %%styled-jsx-placeholder-1%%
       `)
     )
   })