Update `mock-apollo-client` to 0.7.0
What does this MR do?
In this MR, we upgrade a library mock-apollo-client
to version 0.7.0. This is necessary to write proper unit tests for GraphQL subscriptions (please see https://github.com/Mike-Gibson/mock-apollo-client/issues/28 for details)
Does this MR meet the acceptance criteria?
Conformity
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📋 Does this MR need a changelog?-
I have included a changelog entry. -
I have not included a changelog entry because this is a non-user-facing dependency update.
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Documentation (if required) -
Code review guidelines -
Merge request performance guidelines -
Style guides -
Database guides -
Separation of EE specific content
Edited by Natalia Tepluhina