feat(export): allow GMP collectors to startup without metadata #977
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The way our e2e tests are written is usually we check for the GMP collector to start-up correctly.
The problem is that if we defer the metadata labeling to the configuration as opposed to flags, then the collector will never start-up correctly (and also goes against our goal which is to prevent the collector from restarting at initialization).
The simple solution here is to defer error handling until we have a configuration with scape or rule configurations.
See also: #965