fix: tweaks

Author: AuHau

src/index.js

@@ -281,12 +281,11 @@ class IpfsRepo {
       autoMigrateConfig = await this.config.get(AUTO_MIGRATE_CONFIG_KEY)
     } catch (e) {
       if (e.code === ERRORS.NotFoundError.code) {
-        autoMigrateConfig = true
+        autoMigrateConfig = true // Config's default value is True
       } else {
         throw e
       }
     }
-    log(`optin: ${this.options.autoMigrate}; config: ${autoMigrateConfig}`)
 
     return autoMigrateConfig && this.options.autoMigrate
   }
@@ -298,10 +297,6 @@ class IpfsRepo {
       throw new ERRORS.InvalidRepoVersionError('Your repo\'s version is higher then this version of js-ipfs-repo require! You have to revert it.')
     }
 
-    if (currentRepoVersion === toVersion) {
-      return
-    }
-
     log('migrating to version ' + toVersion)
     return migrator.migrate(this.path, { toVersion: toVersion, ignoreLock: true, repoOptions: this.options })
   }

test/browser.js

@@ -17,9 +17,7 @@ async function createTempRepo ({ dontOpen, opts }) {
 
   return {
     path: repoPath,
-    instance: repo,
-    teardown: async () => {
-    }
+    instance: repo
   }
 }