Merge branch 'getoperation' of https://github.com/Nazeh/hyperbee into getoperation

Author: Nuhvi

index.js

@@ -345,7 +345,6 @@ class Hyperbee {
 
   async getOperation (seq) {
     if (seq === 0) return null
-    if (!seq) seq = this._feed.length - 1
 
     const block = await this.getBlock(seq)
     return block.operation()

test/all.js

@@ -397,7 +397,7 @@ test('get header out', async function (t) {
   t.is(h.protocol, 'hyperbee')
 })
 
-test('getOperation', async t => {
+test('getOperation', async function (t) {
   const db = create()
   await db.ready()