Re-add tracer_tests for name and version

sdk/test/opentelemetry/sdk/trace/tracer_test.rb

@@ -18,6 +18,18 @@
     ->(trace_id:, span_id:, parent_context:, links:, name:, kind:, attributes:) { Result.new(decision: Decision::RECORD) } # rubocop:disable Lint/UnusedBlockArgument
   end
 
+  describe '#name' do
+    it 'reflects the name passed in' do
+      _(Tracer.new('component', 'semver:1.0').name).must_equal('component')
+    end
+  end
+
+  describe '#version' do
+    it 'reflects the version passed in' do
+      _(Tracer.new('component', 'semver:1.0').version).must_equal('semver:1.0')
+    end
+  end
+
   describe '#start_root_span' do
     it 'provides a default name' do
       _(tracer.start_root_span(nil).name).wont_be_nil