update tests minigrep

minigrep/src/lib.rs

@@ -99,6 +99,7 @@ Trust me.";
         assert!(run(Config {
             query: String::from("test"),
             filename: String::from("poem.txt"),
+            case_sensitive: true,
         }).is_ok());
     }
 
@@ -107,6 +108,7 @@ Trust me.";
         assert!(run(Config {
             query: String::from("test"),
             filename: String::from("134857320592.txt"),
+            case_sensitive: true,
         }).is_err());
     }