Test successful collection by PeriodicReader #4177

Job	Run time
coverage	8m 28s
docs	5m 49s
cargo-deny	26s
external-types (opentelemetry)	1m 11s
lint	20m 10s
external-types (opentelemetry-sdk)	1m 18s
msrv	4m 20s
non-default-examples (opentelemetry-otlp/examples/external-otlp-grpcio-async-std)	5m 14s
non-default-examples (opentelemetry-otlp/examples/basic-otlp)	41s
test (stable)	16m 6s
test (beta)	17m 30s
	1h 21m 13s

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