Update CI to Ubuntu 24.04.

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   tests:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Install package dependencies
         run: sudo apt-get install gobject-introspection libgirepository1.0-dev
@@ -23,6 +23,6 @@ jobs:
       - name: Linter
         run: crystal tool format --check
       - name: Run tests
-        run: G_DEBUG=fatal-warnings RSPEC_OPTS="-v --order=random" make oldlibs-test
+        run: G_DEBUG=fatal-warnings RSPEC_OPTS="-v --order=random" make test
       - name: Run tests with -Ddebugmemory
-        run: G_DEBUG=fatal-warnings OLD_LIBS=1 ./bin/spec -Ddebugmemory -v --order=random
+        run: G_DEBUG=fatal-warnings ./bin/spec -Ddebugmemory -v --order=random

Makefile

@@ -3,9 +3,6 @@
 test: test-binding
 	./bin/spec $(RSPEC_OPTS)
 
-oldlibs-test: test-binding
-	OLD_LIBS=1 ./bin/spec $(RSPEC_OPTS)
-
 generator:
 	shards build --error-trace
 

spec/properties_spec.cr

@@ -93,13 +93,11 @@ describe "GObject properties" do
     subject.str_list.should eq(%w(let go))
   end
 
-  {% unless env("OLD_LIBS") %}
-    context "when of boolean type" do
-      it "transform `is_prop` to `is_prop?`" do
-        subject = Test::Subject.new(boolean: true)
-        subject.is_bool?.should eq(true)
-        subject.boolean?.should eq(true)
-      end
+  context "when of boolean type" do
+    it "transform `is_prop` to `is_prop?`" do
+      subject = Test::Subject.new(boolean: true)
+      subject.is_bool?.should eq(true)
+      subject.boolean?.should eq(true)
     end
-  {% end %}
+  end
 end