fix CR issues

CHANGELOG.md

@@ -8,7 +8,7 @@
 - [#2146](https://github.com/poanetwork/blockscout/pull/2146) - feat: add eth_getLogs rpc endpoint
 - [#2190](https://github.com/poanetwork/blockscout/pull/2190) - show all token transfers
 - [#2193](https://github.com/poanetwork/blockscout/pull/2193) - feat: add BLOCKSCOUT_HOST, and use it in API docs
-- [#2266](https://github.com/poanetwork/blockscout/pull/2266) - allow excluding uncles from average block time calculation #2266
+- [#2266](https://github.com/poanetwork/blockscout/pull/2266) - allow excluding uncles from average block time calculation
 
 ### Fixes
 - [#2263](https://github.com/poanetwork/blockscout/pull/2263) - added an ability to close network selector on outside click

apps/explorer/test/explorer/counters/average_block_time_test.exs

@@ -62,7 +62,6 @@ defmodule Explorer.Counters.AverageBlockTimeTest do
 
     test "excludes uncles if include_uncles_in_average_block_time is set to true" do
       block_number = 99_999_999
-      Application.put_env(:explorer, :include_uncles_in_average_block_time, true)
 
       first_timestamp = Timex.now()