add: tests to ensure all interceptors are run if an error occurs in one (#2664)

## Motivation and Context
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<!--- If it fixes an open issue, please link to the issue here -->
#2662

## Description
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This PR adds tests for all interceptor hooks to ensure the correct error
handling behavior and defines a set of stub components for orchestrator
testing.

## Testing
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to -->
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This PR includes tests.
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