Address review comments

Author: sarahchen6

.gitlab-ci.yml

@@ -110,6 +110,7 @@ install-dependencies:
   parallel:
     matrix:
       # ADD NEW RUBIES HERE
+      # TODO: Ruby 3.5 - Not added here yet to avoid increasing SSI OCI image size and adding premature support for 3.5.
       - RUBY_VERSION: ["3.4", "3.3", "3.2", "3.1", "3.0", "2.7", "2.6"]
         ARCH: ["amd64", "arm64"]
   stage: package

docker-compose.yml

@@ -160,7 +160,7 @@ services:
       - bundle-3.4:/usr/local/bundle
       - "ddagent_var_run:${TEST_DDAGENT_VAR_RUN}"
   tracer-3.5:
-    image: ghcr.io/datadog/images-rb/engines/ruby:3.5
+    image: ghcr.io/datadog/images-rb/engines/ruby:3.5-gnu-gcc
     working_dir: /app
     command: /bin/bash
     depends_on: *common-depends-on

spec/datadog/profiling/collectors/cpu_and_wall_time_worker_spec.rb

@@ -684,7 +684,7 @@
 
       it "records allocated objects" do
         # TODO: Ruby 3.5 - Remove this skip after investigation.
-        skip('Allocation profiling call not working correctly on Ruby 3.5.0-preview1') if RUBY_VERSION.start_with?('3.5')
+        pending('Allocation profiling call not working correctly on Ruby 3.5.0-preview1') if RUBY_DESCRIPTION.include?('preview')
 
         stub_const("CpuAndWallTimeWorkerSpec::TestStruct", Struct.new(:foo))
 
@@ -885,7 +885,7 @@
 
       it "records live heap objects" do
         # TODO: Ruby 3.5 - Remove this skip after investigation.
-        skip('Heap profiling not working correctly on Ruby 3.5.0-preview1') if RUBY_VERSION.start_with?('3.5')
+        skip('Heap profiling not working correctly on Ruby 3.5.0-preview1') if RUBY_DESCRIPTION.include?('preview')
 
         stub_const("CpuAndWallTimeWorkerSpec::TestStruct", Struct.new(:foo))