tests: improve db open tests

db/src/lib.rs

@@ -387,18 +387,18 @@ mod test {
         let tempdir = TempDir::new().unwrap();
 
         let result = UpEndDatabase::open(&tempdir, false);
-        assert!(result.is_ok());
-        assert!(result.unwrap().new);
+        let result = result.unwrap();
+        assert!(result.new);
 
         // Not new
         let result = UpEndDatabase::open(&tempdir, false);
-        assert!(result.is_ok());
-        assert!(!result.unwrap().new);
+        let result = result.unwrap();
+        assert!(!result.new);
 
         // reinitialize true, new again
         let result = UpEndDatabase::open(&tempdir, true);
-        assert!(result.is_ok());
-        assert!(result.unwrap().new);
+        let result = result.unwrap();
+        assert!(result.new);
     }
 
     #[test]