From 454e8120dbd4216f6da641e0b4d996710ad2ebc6 Mon Sep 17 00:00:00 2001
From: Kazuhiro NISHIYAMA <zn@mbf.nifty.com>
Date: Sun, 14 Jun 2020 11:15:23 +0900
Subject: [PATCH] Add ubuntu-20.04 and rename to ubuntu-18.04 from
 ubuntu-latest

---
 .github/workflows/ubuntu.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 9109cb1246..9f588f0fec 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -5,7 +5,7 @@ jobs:
     strategy:
       matrix:
         test_task: [ "check", "test-bundler-parallel", "test-bundled-gems", "test-all TESTS=--repeat-count=2", "leaked-globals" ]
-        os: [ubuntu-latest, ubuntu-16.04]
+        os: [ubuntu-20.04, ubuntu-18.04, ubuntu-16.04]
         debug: ["", "-DRUBY_DEBUG"]
         exclude:
           - test_task: test-bundler-parallel