anchor.diff:  key "foo" {
       policy = "write"
       sentinel {
  -        code = "import \"strings\"
  -                main = rule { strings.has_suffix(value, \"bar\") }"
  +        code = <<EOF
  +import "strings"
  +main = rule { strings.has_suffix(value, "bar") }
  +EOF
       }
   }
   ```
  
positive.code: 
  ```text
    sentinel {
        code = "import \"strings\"
                main = rule { strings.has_suffix(value,\"foo\") }"
        enforcementlevel = "soft-mandatory"
    }
  ```
  
  
negative.code: key "foo" {
      policy = "write"
      sentinel {
          code = <<EOF
  import "time"
  main = rule { time.hour > 8 and time.hour < 17 }
  EOF
      }
  }
  ```
  