From a66fa3dca20cf2fc498a33dfc158518320daa9d9 Mon Sep 17 00:00:00 2001
From: Bryan Moffatt <moffattb@amazon.com>
Date: Thu, 30 Nov 2023 10:14:37 -0800
Subject: [PATCH] update tests.yml

---
 .github/workflows/tests.yml | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7e80d5a9..0652174f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,6 +10,7 @@ jobs:
     strategy:
       matrix:
         go:
+          - "1.21"
           - "1.20"
           - "1.19"
           - "1.18"
@@ -24,18 +25,18 @@ jobs:
         uses: actions/setup-go@v3
         with:
           go-version: ${{ matrix.go }}
-      
+
       - run: go version
 
       - name: install lambda runtime interface emulator
         run: curl -L -o /usr/local/bin/aws-lambda-rie https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie-x86_64
-      - run: chmod +x /usr/local/bin/aws-lambda-rie 
+      - run: chmod +x /usr/local/bin/aws-lambda-rie
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@v3
 
-      - name: modhack
-        run: if [[ ${{ matrix.go }} < "1.15" ]]; then sed -i.bak 's/.*retract .*//' go.mod; fi
+      - name: Edit the go.mod file to allow tests to run for versions of go before 1.16
+        run: if [[ ${{ matrix.go }} < "1.16" ]]; then sed -i.bak 's/^.*retract.*$//' go.mod; fi
 
       - name: go test
         run: go test -v -race ./...
@@ -43,15 +44,19 @@ jobs:
   coverage:
     name: run tests with coverage
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go:
+          - "1.21"
     steps:
-      - name: Set up Go
+      - name: Set up Go ${{ matrix.go }}
         uses: actions/setup-go@v3
         with:
-          go-version: "1.20" 
+          go-version: ${{ matrix.go }}
 
       - name: install lambda runtime interface emulator
         run: curl -L -o /usr/local/bin/aws-lambda-rie https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie-x86_64
-      - run: chmod +x /usr/local/bin/aws-lambda-rie 
+      - run: chmod +x /usr/local/bin/aws-lambda-rie
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@v3
@@ -65,5 +70,5 @@ jobs:
           file: ./coverage.txt
           env_vars: GO
         env:
-          GO: "1.20"
+          GO: ${{ matrix.go }}