diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 37a9318..2a23f22 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,14 +14,17 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - '3.3.0'
+          - "3.3"
+          - "3.2"
+          - "3.1"
+          - "3.0"
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: ${{ matrix.ruby }}
-        bundler-cache: true
-    - name: Run the default task
-      run: bundle exec rake
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - name: Run the default task
+        run: bundle exec rake
diff --git a/test/test_telebugs.rb b/test/test_telebugs.rb
index b0c948a..cc65800 100644
--- a/test/test_telebugs.rb
+++ b/test/test_telebugs.rb
@@ -6,8 +6,4 @@ class TestTelebugs < Minitest::Test
   def test_that_it_has_a_version_number
     refute_nil ::Telebugs::VERSION
   end
-
-  def test_it_does_something_useful
-    assert false
-  end
 end