test serializers with custom metrics and custom tags

spec/datadog/ci/test_visibility/serializers/span_spec.rb

@@ -45,6 +45,7 @@
             "_dd.origin" => "ciapp-test"
           }
         )
+        expect(metrics).to eq({"_dd.top_level" => 1.0, "custom_metric" => 42})
         # TODO: test start and duration with timecop
         # expect(content["start"]).to eq(1)
         # expect(content["duration"]).to eq(1)

spec/datadog/ci/test_visibility/serializers/test_v1_spec.rb

@@ -34,9 +34,13 @@
           {
             "test.framework" => "rspec",
             "test.status" => "pass",
-            "_dd.origin" => "ciapp-test"
+            "_dd.origin" => "ciapp-test",
+            "test_owner" => "my_team"
           }
         )
+        expect(metrics).to eq(
+          {"_dd.measured" => 1.0, "_dd.top_level" => 1.0, "memory_allocations" => 16}
+        )
         # TODO: test start and duration with timecop
         # expect(content["start"]).to eq(1)
         # expect(content["duration"]).to eq(1)

spec/support/tracer_helpers.rb

@@ -31,9 +31,13 @@ def produce_test_trace(
       if with_http_span
         Datadog::Tracing.trace("http-call", type: "http", service: "net-http") do |span, trace|
           span.set_tag("custom_tag", "custom_tag_value")
+          span.set_tag("custom_metric", 42)
         end
       end
 
+      Datadog::Tracing.active_span.set_tag("test_owner", "my_team")
+      Datadog::Tracing.active_span.set_metric("memory_allocations", 16)
+
       case result
       when "FAILED"
         Datadog::CI::Recorder.failed!(span, exception)