4cfd14984f
gtest: Add a flag to only set up/tear down test environments once when repeating Currently when running a test multiple times using `--gtest_repeat` the global test environment(s) are set up and torn down for each iteration of the test. When checking for flakes in tests that have expensive dependencies that are set up in the test environment (subprocesses, external dependencies, etc) this can become expensive. To support finding flakes in tests that fit into this category, where the setup phase is expensive but each test case is fast, allow callers to specify via `--gtest_recreate_environments_when_repeating=false` that the test environments should only be set up once, for the first iteration, and only torn down once, on the last iteration. This makes running a test with `--gtest_repeat=1000` a much faster and more pleasant experience. PiperOrigin-RevId: 382748942 |
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