Fix race conditions upon dropping database

src/database.js

@@ -183,7 +183,7 @@ const Database = async ({ ipfs, identity, address, name, access, directory, meta
    * @async
    */
   const drop = async () => {
-    await queue.onIdle()
+    await queue.clear()
     await log.clear()
     if (access && access.drop) {
       await access.drop()

src/oplog/log.js

@@ -488,6 +488,8 @@ const Log = async (identity, { logId, logHeads, access, entryStorage, headsStora
    * @instance
    */
   const clear = async () => {
+    await appendQueue.clear()
+    await joinQueue.clear()
     await oplogStore.clear()
   }
 
@@ -497,6 +499,8 @@ const Log = async (identity, { logId, logHeads, access, entryStorage, headsStora
    * @instance
    */
   const close = async () => {
+    await appendQueue.onIdle()
+    await joinQueue.onIdle()
     await oplogStore.close()
   }
 

test/databases/replication/keyvalue-indexed.test.js

@@ -319,7 +319,8 @@ describe('KeyValueIndexed Database Replication', function () {
     ])
   })
 
-  it.only('indexes deletes correctly', async () => {
+  it('indexes deletes correctly', async () => {
+    const databaseId = 'kv-CCC'
     let replicated = false
     let err