fix 8478 testing note

Author: dinhtungdu

docs/internal-developers/testing/releases/970.md

@@ -263,12 +263,17 @@ Before | After
 #### Test different themes
 
 1. Twenty Twenty Three:
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     1.1. Install it from [here](https://wordpress.org/themes/twentytwentythree/).
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     1.2. Go to the pages created in step 0 and verify the Mini Cart, Cart and Checkout buttons **follow** the theme styles.
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     1.3. Go to Appearance > Editor > Styles > Browse Styles and change between style variations. Verify the buttons follow the styles in all of them.
 
 2. Pixl or another block theme with custom button styles but which is not TT3 or Zaino:
+
     2.1. Install it from [here](https://wordpress.org/themes/pixl/).
+
     2.2. Go to the pages created in step 0 and verify the Mini Cart, Cart and Checkout buttons **follow** the theme styles.
 
 Before | After