[chore] move mezmo exporter to generated lifecycle tests (open-teleme…

…try#30537)

Relates to
open-telemetry#27849

---------

Co-authored-by: Antoine Toulme <antoine@lunar-ocean.com>

exporter/mezmoexporter/exporter.go

@@ -64,7 +64,12 @@ func (m *mezmoExporter) start(_ context.Context, host component.Host) (err error
 }
 
 func (m *mezmoExporter) stop(context.Context) (err error) {
+	if m.client == nil {
+		return nil
+	}
 	m.wg.Wait()
+	m.client.CloseIdleConnections()
+	m.client = nil
 	return nil
 }
 

exporter/mezmoexporter/go.mod

@@ -4,6 +4,7 @@ go 1.21
 
 require (
 	github.com/cenkalti/backoff/v4 v4.2.1
+	github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal v0.92.0
 	github.com/stretchr/testify v1.8.4
 	go.opentelemetry.io/collector/component v0.95.0
 	go.opentelemetry.io/collector/config/confighttp v0.95.0
@@ -79,3 +80,11 @@ retract (
 	v0.76.1
 	v0.65.0
 )
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/internal/coreinternal => ../../internal/coreinternal
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/pdatautil => ../../pkg/pdatautil
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/pdatatest => ../../pkg/pdatatest
+
+replace github.com/open-telemetry/opentelemetry-collector-contrib/pkg/golden => ../../pkg/golden

exporter/mezmoexporter/metadata.yaml

@@ -7,3 +7,8 @@ status:
   distributions: [contrib]
   codeowners:
     active: [dashpole, billmeyer, gjanco]
+
+tests:
+  config:
+    disable_keep_alives: true
+  expect_consumer_error: true