modify the test matrix

Author: parsahonarmand99

.github/workflows/ci.yml

@@ -14,17 +14,23 @@ jobs:
       fail-fast: false
       matrix:
         gemfile:
-          - { gemfile: Gemfile.rails-6.1-stable, ruby-version: '3.0' }
-          - { gemfile: Gemfile.rails-6.1-stable, ruby-version: '3.1' }
-          - { gemfile: Gemfile.rails-7.0-stable, ruby-version: '3.1' }
-          - { gemfile: Gemfile.rails-7.0-stable, ruby-version: '3.2' }
-          # Rails 7.2 with Ruby 3.1+
-          - { gemfile: Gemfile.rails-7.2-stable, ruby-version: '3.1' }
-          - { gemfile: Gemfile.rails-7.2-stable, ruby-version: '3.2' }
-          - { gemfile: Gemfile.rails-7.2-stable, ruby-version: '3.3' }
-          # Rails 8.0 with Ruby 3.2+
-          - { gemfile: Gemfile.rails-8.0-stable, ruby-version: '3.2' }
-          - { gemfile: Gemfile.rails-8.0-stable, ruby-version: '3.3' }
+          - Gemfile.rails-6.1-stable
+          - Gemfile.rails-7.0-stable
+          - Gemfile.rails-7.2-stable
+          - Gemfile.rails-8.0-stable
+        ruby-version: ['3.0', '3.1', '3.2', '3.3']
+        exclude:
+          # Rails 7.0 doesn't work with Ruby 3.0
+          - gemfile: Gemfile.rails-7.0-stable
+            ruby-version: '3.0'
+          # Rails 7.2 doesn't work with Ruby 3.0
+          - gemfile: Gemfile.rails-7.2-stable
+            ruby-version: '3.0'
+          # Rails 8.0 doesn't work with Ruby 3.0 or 3.1
+          - gemfile: Gemfile.rails-8.0-stable
+            ruby-version: '3.0'
+          - gemfile: Gemfile.rails-8.0-stable
+            ruby-version: '3.1'
     env:
       BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}
     steps: