Fix another round of test failures

'blocked' is *not* a fatal situation when opening or deleting databases.

src/crypto/store/indexeddb-crypto-store.js

@@ -73,9 +73,9 @@ export default class IndexedDBCryptoStore {
             };
 
             req.onblocked = () => {
-                reject(new Error(
-                    "unable to upgrade indexeddb because it is open elsewhere",
-                ));
+                console.log(
+                    `can't yet open IndexedDBCryptoStore because it is open elsewhere`,
+                );
             };
 
             req.onerror = (ev) => {
@@ -113,9 +113,9 @@ export default class IndexedDBCryptoStore {
             const req = this._indexedDB.deleteDatabase(this._dbName);
 
             req.onblocked = () => {
-                reject(new Error(
-                    "unable to delete indexeddb because it is open elsewhere",
-                ));
+                console.log(
+                    `can't yet delete IndexedDBCryptoStore because it is open elsewhere`,
+                );
             };
 
             req.onerror = (ev) => {