fix: try another approach; split nightly to a new workflow

.github/workflows/ci.yml

@@ -13,7 +13,6 @@ jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
     runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.allow_failure }}
     strategy:
       fail-fast: false
       matrix:
@@ -22,20 +21,13 @@ jobs:
           - '1'
         os: [ubuntu-latest]
         arch: [x64]
-        allow_failure: [false]
         include:
-          - os: ubuntu-latest
-            version: 'nightly'
-            arch: x64
-            allow_failure: true
           - os: windows-latest
             version: '1'
             arch: x64
-            allow_failure: false
           - os: macOS-latest
             version: '1'
             arch: x64
-            allow_failure: false
     steps:
       - uses: actions/checkout@v3
       - uses: julia-actions/setup-julia@v1

.github/workflows/nightly-ci.yml

@@ -0,0 +1,42 @@
+name: Nightly CI
+
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+    tags: '*'
+
+jobs:
+  test:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        version: [nightly]
+        os: [ubuntu-latest]
+        arch: [x64]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: actions/cache@v3
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - uses: julia-actions/julia-buildpkg@v1
+      - name: "Run test without coverage report"
+        uses: julia-actions/julia-runtest@v1
+        with:
+          coverage: false