[chore] Clean up naming in testcomponent package (#12072)

This PR just cleans up some naming in the `testcomponents` package, so
that no component kind has a monopoly on the generic version of a
variable or function name.

Subset of #12057

Author: djaglowski

service/internal/testcomponents/example_exporter.go

@@ -16,18 +16,16 @@ import (
 	"go.opentelemetry.io/collector/pdata/ptrace"
 )
 
-var testType = component.MustNewType("exampleexporter")
-
-const stability = component.StabilityLevelDevelopment
+var exporterType = component.MustNewType("exampleexporter")
 
 // ExampleExporterFactory is factory for ExampleExporter.
 var ExampleExporterFactory = xexporter.NewFactory(
-	testType,
+	exporterType,
 	createExporterDefaultConfig,
-	xexporter.WithTraces(createTracesExporter, stability),
-	xexporter.WithMetrics(createMetricsExporter, stability),
-	xexporter.WithLogs(createLogsExporter, stability),
-	xexporter.WithProfiles(createProfilesExporter, stability),
+	xexporter.WithTraces(createTracesExporter, component.StabilityLevelDevelopment),
+	xexporter.WithMetrics(createMetricsExporter, component.StabilityLevelDevelopment),
+	xexporter.WithLogs(createLogsExporter, component.StabilityLevelDevelopment),
+	xexporter.WithProfiles(createProfilesExporter, component.StabilityLevelDevelopment),
 )
 
 func createExporterDefaultConfig() component.Config {

service/internal/testcomponents/example_receiver.go

@@ -19,18 +19,18 @@ var receiverType = component.MustNewType("examplereceiver")
 var ExampleReceiverFactory = xreceiver.NewFactory(
 	receiverType,
 	createReceiverDefaultConfig,
-	xreceiver.WithTraces(createTraces, component.StabilityLevelDevelopment),
-	xreceiver.WithMetrics(createMetrics, component.StabilityLevelDevelopment),
-	xreceiver.WithLogs(createLogs, component.StabilityLevelDevelopment),
-	xreceiver.WithProfiles(createProfiles, component.StabilityLevelDevelopment),
+	xreceiver.WithTraces(createTracesReceiver, component.StabilityLevelDevelopment),
+	xreceiver.WithMetrics(createMetricsReceiver, component.StabilityLevelDevelopment),
+	xreceiver.WithLogs(createLogsReceiver, component.StabilityLevelDevelopment),
+	xreceiver.WithProfiles(createProfilesReceiver, component.StabilityLevelDevelopment),
 )
 
 func createReceiverDefaultConfig() component.Config {
 	return &struct{}{}
 }
 
 // createTraces creates a receiver.Traces based on this config.
-func createTraces(
+func createTracesReceiver(
 	_ context.Context,
 	_ receiver.Settings,
 	cfg component.Config,
@@ -42,7 +42,7 @@ func createTraces(
 }
 
 // createMetrics creates a receiver.Metrics based on this config.
-func createMetrics(
+func createMetricsReceiver(
 	_ context.Context,
 	_ receiver.Settings,
 	cfg component.Config,
@@ -54,7 +54,7 @@ func createMetrics(
 }
 
 // createLogs creates a receiver.Logs based on this config.
-func createLogs(
+func createLogsReceiver(
 	_ context.Context,
 	_ receiver.Settings,
 	cfg component.Config,
@@ -66,7 +66,7 @@ func createLogs(
 }
 
 // createProfiles creates a receiver.Profiles based on this config.
-func createProfiles(
+func createProfilesReceiver(
 	_ context.Context,
 	_ receiver.Settings,
 	cfg component.Config,