First test to correct CI failures

.github/workflows/ci.yml

@@ -7,17 +7,39 @@ jobs:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }}
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false # allows to continue if one fails
       matrix:
         version:
-          - '1.0'
           - '1.4'
-          - 'nightly'
         os:
           - ubuntu-latest
           - macOS-latest
+          # - windows-latest # TODO: windows tests
         arch:
           - x64
           - x86
+        allow-failure: [false]
+        include:
+          - version: 'nightly'
+            os: ubuntu-latest
+            arch: x64
+            allow-failure: true
+          - version: 'nightly'
+            os: ubuntu-latest
+            arch: x86
+            allow-failure: true
+          - version: 'nightly'
+            os: macOS-latest
+            arch: x64
+            allow-failure: true
+          # - version: 'nightly'
+          #   os: windows-latest
+          #   arch: x64
+          #   allow-failure: true
+          # - version: 'nightly'
+          #   os: windows-latest
+          #   arch: x86
+          #   allow-failure: true
         exclude:
           - os: macOS-latest
             arch: x86