fixes at-microcosm/links#24 updated assertions and make check passes all tests

constellation/src/storage/mod.rs

···
                 version: (0, 0),
                 items: vec![],
                 next: None,
+                total: 0,
             }
         );
         assert_eq!(
···
                 version: (0, 0),
                 items: vec![],
                 next: None,
+                total: 0,
             }
         );
         assert_eq!(storage.get_all_counts("bad-example.com")?, HashMap::new());
···
                     rkey: "asdf".into(),
                 }],
                 next: None,
+                total: 1,
             }
         );
         assert_eq!(
···
                 version: (1, 0),
                 items: vec!["did:plc:asdf".into()],
                 next: None,
+                total: 1,
             }
         );
         assert_stats(storage.get_stats()?, 1..=1, 1..=1, 1..=1);
···
                     },
                 ],
                 next: Some(3),
+                total: 5,
             }
         );
         assert_eq!(
···
                 version: (5, 0),
                 items: vec!["did:plc:asdf-5".into(), "did:plc:asdf-4".into()],
                 next: Some(3),
+                total: 5,
             }
         );
         let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?;
···
                     },
                 ],
                 next: Some(1),
+                total: 5,
             }
         );
         assert_eq!(
···
                 version: (5, 0),
                 items: vec!["did:plc:asdf-3".into(), "did:plc:asdf-2".into()],
                 next: Some(1),
+                total: 5,
             }
         );
         let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?;
···
                     rkey: "asdf".into(),
                 },],
                 next: None,
+                total: 5,
             }
         );
         assert_eq!(
···
                 version: (5, 0),
                 items: vec!["did:plc:asdf-1".into()],
                 next: None,
+                total: 5,
             }
         );
         assert_stats(storage.get_stats()?, 5..=5, 1..=1, 5..=5);
···
                     },
                 ],
                 next: Some(2),
+                total: 4,
             }
         );
         let links = storage.get_links("a.com", "app.t.c", ".abc.uri", 2, links.next)?;
···
                     },
                 ],
                 next: None,
+                total: 4,
             }
         );
         assert_stats(storage.get_stats()?, 4..=4, 1..=1, 4..=4);
···
                     },
                 ],
                 next: Some(2),
+                total: 4,
             }
         );
         storage.push(
···
                     },
                 ],
                 next: None,
+                total: 5,
             }
         );
         assert_stats(storage.get_stats()?, 5..=5, 1..=1, 5..=5);
···
                     },
                 ],
                 next: Some(2),
+                total: 4,
             }
         );
         storage.push(
···
                     rkey: "asdf".into(),
                 },],
                 next: None,
+                total: 3,
             }
         );
         assert_stats(storage.get_stats()?, 4..=4, 1..=1, 3..=3);
···
                     },
                 ],
                 next: Some(2),
+                total: 4,
             }
         );
         storage.push(
···
                     rkey: "asdf".into(),
                 },],
                 next: None,
+                total: 4,
             }
         );
         assert_stats(storage.get_stats()?, 4..=4, 1..=1, 4..=4);