diff --git a/.github/workflows/macos-test.yaml b/.github/workflows/macos-test.yaml
deleted file mode 100644
index 9f45724fcc..0000000000
--- a/.github/workflows/macos-test.yaml
+++ /dev/null
@@ -1,34 +0,0 @@
-name: Testing on macOS
-
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
-
-jobs:
-  test:
-    runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.experimental }}
-    strategy:
-      fail-fast: false
-      matrix:
-        ruby-version: ['3.3', '3.2', '3.1', '3.0', '2.7']
-        os: [macos-latest]
-        experimental: [true]
-        include:
-          - ruby-version: head
-            os: macos-latest
-            experimental: true
-
-    name: Unit testing with Ruby ${{ matrix.ruby-version }} on ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: ${{ matrix.ruby-version }}
-      - name: Install dependencies
-        run: bundle install
-      - name: Run tests
-        run: bundle exec rake test
diff --git a/.github/workflows/test-ruby-head.yaml b/.github/workflows/test-ruby-head.yaml
new file mode 100644
index 0000000000..6aaec99e93
--- /dev/null
+++ b/.github/workflows/test-ruby-head.yaml
@@ -0,0 +1,31 @@
+name: Test
+
+on:
+  schedule:
+    - cron: '11 14 * * 0'
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    continue-on-error: true
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
+        ruby-version: ['head']
+
+    name: Ruby ${{ matrix.ruby-version }} on ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+      - name: Install addons
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: sudo apt-get install libgmp3-dev libcap-ng-dev
+      - name: Install dependencies
+        run: bundle install
+      - name: Run tests
+        run: bundle exec rake test TESTOPTS=-v
diff --git a/.github/workflows/linux-test.yaml b/.github/workflows/test.yaml
similarity index 61%
rename from .github/workflows/linux-test.yaml
rename to .github/workflows/test.yaml
index 745ce9b1ca..0532804bc2 100644
--- a/.github/workflows/linux-test.yaml
+++ b/.github/workflows/test.yaml
@@ -1,4 +1,4 @@
-name: Testing on Ubuntu
+name: Test
 
 on:
   push:
@@ -9,19 +9,14 @@ on:
 jobs:
   test:
     runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.experimental }}
+    continue-on-error: false
     strategy:
       fail-fast: false
       matrix:
+        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
         ruby-version: ['3.3', '3.2', '3.1', '3.0', '2.7']
-        os: [ubuntu-latest]
-        experimental: [false]
-        include:
-          - ruby-version: head
-            os: ubuntu-latest
-            experimental: true
 
-    name: Unit testing with Ruby ${{ matrix.ruby-version }} on ${{ matrix.os }}
+    name: Ruby ${{ matrix.ruby-version }} on ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
       - name: Set up Ruby
@@ -29,8 +24,9 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby-version }}
       - name: Install addons
+        if: ${{ matrix.os == 'ubuntu-latest' }}
         run: sudo apt-get install libgmp3-dev libcap-ng-dev
       - name: Install dependencies
         run: bundle install
       - name: Run tests
-        run: bundle exec rake test
+        run: bundle exec rake test TESTOPTS=-v
diff --git a/.github/workflows/windows-test.yaml b/.github/workflows/windows-test.yaml
deleted file mode 100644
index a1941be392..0000000000
--- a/.github/workflows/windows-test.yaml
+++ /dev/null
@@ -1,49 +0,0 @@
-name: Testing on Windows
-
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
-
-jobs:
-  test:
-    runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.experimental }}
-    strategy:
-      fail-fast: false
-      matrix:
-        ruby-version: ['3.3', '3.2', '3.1', '2.7']
-        os:
-          - windows-latest
-        experimental: [false]
-        include:
-          - ruby-version: head
-            os: windows-latest
-            experimental: true
-          - ruby-version: '3.0.3'
-            os: windows-latest
-            experimental: false
-            # On Ruby 3.0, we need to use fiddle 1.0.8 or later to retrieve correct
-            # error code. In addition, we have to specify the path of fiddle by RUBYLIB
-            # because RubyInstaller loads Ruby's bundled fiddle before initializing gem.
-            # See also:
-            # * https://github.com/ruby/fiddle/issues/72
-            # * https://bugs.ruby-lang.org/issues/17813
-            # * https://github.com/oneclick/rubyinstaller2/blob/8225034c22152d8195bc0aabc42a956c79d6c712/lib/ruby_installer/build/dll_directory.rb
-            ruby-lib-opt: RUBYLIB=%RUNNER_TOOL_CACHE%/Ruby/3.0.3/x64/lib/ruby/gems/3.0.0/gems/fiddle-1.1.0/lib
-
-    name: Unit testing with Ruby ${{ matrix.ruby-version }} on ${{ matrix.os }}
-    steps:
-      - uses: actions/checkout@v3
-      - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: ${{ matrix.ruby-version }}
-      - name: Add Fiddle 1.1.0
-        if: ${{ matrix.ruby-version == '3.0.3' }}
-        run: gem install fiddle --version 1.1.0
-      - name: Install dependencies
-        run: ridk exec bundle install
-      - name: Run tests
-        run: bundle exec rake test TESTOPTS=-v ${{ matrix.ruby-lib-opt }}