What happens when Knapsack Pro API is not available? How Fallback Mode works?

When Knapsack Pro API is not available or temporarily unreachable due to network problems then Fallback Mode will be started and you will see a log warning in the output.

In Fallback Mode your tests will be executed and split based on test file names across CI nodes. If in the meantime other CI nodes were able to connect to Knapsack Pro API then you may notice that some of the test files were executed twice across CI nodes. Fallback Mode guarantees each of test files is run at least once as a part of CI build when you use Knapsack Pro Queue Mode (Learn how Queue Mode works).

If during CI build runtime connection to Knapsack Pro API is lost, Fallback Mode will run tests except those executed so far.

# General questions for Knapsack Pro Core JavaScript integration
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