make the test slightly more complex

the goal is to test abusive inlining of the resulting string

Author: tsnobip

jscomp/test/tagged_template_lib.js

@@ -1,7 +1,7 @@
 exports.sql = (strings, ...values) => {
     let result = "";
     for (let i = 0; i < values.length; i++) {
-        result += strings[i] + values[i];
+        result += strings[i] + "'" + values[i] + "'";
     }
     result += strings[values.length];
     return result;

jscomp/test/tagged_template_test.js

@@ -22,7 +22,7 @@ Mt.from_pair_suites(
   list{
     (
       "with externals, it should return a string with the correct interpolations",
-      () => Eq(query, "SELECT * FROM users WHERE id = 5"),
+      () => Eq(query, "SELECT * FROM 'users' WHERE id = '5'"),
     ),
     (
       "with rescript function, it should return a string with the correct interpolations",