Test arm64 linux too

.github/workflows/main.yml

@@ -632,11 +632,43 @@ jobs:
       
       - name: Test
         if: success() && !(matrix.SAUCE && matrix.SAUCE_ACCESS_KEY)
-        run: earthly +test-all
+        run: earthly --platform=linux/amd64 +test-all
       
       - name: Test (with SauceLabs)
         if: success() && matrix.SAUCE && matrix.SAUCE_ACCESS_KEY
-        run: earthly +test --TEST=js
+        run: earthly --platform=linux/amd64 +test --TEST=js
+        env:
+          SAUCE_ACCESS_KEY: matrix.SAUCE_ACCESS_KEY
+      
+  linux-arm64-test:
+    needs: linux-arm64-build
+    runs-on: ubuntu-20.04
+    env:
+      HXCPP_COMPILE_CACHE: ~/hxcache
+    strategy:
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@main
+        with:
+          submodules: recursive
+      
+      - name: Set up QEMU
+        id: qemu
+        uses: docker/setup-qemu-action@v1
+        with:
+            image: tonistiigi/binfmt:latest
+            platforms: all
+            
+      - name: Install Earthly
+        run: sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/latest/download/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly && /usr/local/bin/earthly bootstrap --with-autocomplete'\
+      
+      - name: Test
+        if: success() && !(matrix.SAUCE && matrix.SAUCE_ACCESS_KEY)
+        run: earthly --platform=linux/arm64 +test-all
+      
+      - name: Test (with SauceLabs)
+        if: success() && matrix.SAUCE && matrix.SAUCE_ACCESS_KEY
+        run: earthly --platform=linux/arm64 +test --TEST=js
         env:
           SAUCE_ACCESS_KEY: matrix.SAUCE_ACCESS_KEY
       
@@ -727,7 +759,7 @@ jobs:
 
   deploy:
     if: github.event_name != 'pull_request'
-    needs: [linux-test, mac-test, windows-test, windows64-test]
+    needs: [linux-test, linux-arm64-test, mac-test, windows-test, windows64-test]
     runs-on: ubuntu-20.04
     steps:
       # this is only needed for to get `COMMIT_DATE`...