fix ci and remove comments

Author: aspeddro

test/highlight/embedded.res

@@ -1,18 +1,9 @@
-// NOT AN AUTOMATED TEST.
-//
-// Looks like Tree-sitter test framework does not allow to test
-// for correct language embedding. So, this file is just a showcase
-// to observe results with eyes.
-//
-// You should see comprehensive highlighting for constructs inside
-// strings. That is, they should not look like plain strings if
-// you have corresponding grammar installed.
-
-// :TSInstall javascript
 let inc = %raw(`function(x) {return x + 1;}`)
+//          ^ keyword
+//             ^ string
 
-// :TSInstall graphql
 let gql = %graphql(`{ hero { name } }`)
+//                 ^ string
 
-// :TSInstall regex
 let re = %re(`^[A-Z][a-z0-9]*$`)
+//           ^ string