Xcode's test scheme "info", "arguments", "options" and "diagnostics" tabs were once visible by pressing Command + Option + U, but they've been moved.
Where do I find the corresponding sections, now?
Here's the old UI (credit: https://betterprogramming.pub/easy-unit-testing-for-firebase-in-xcode-874842f79d84):
Here is the new one:
Most of these options moved to the test plan itself. With reference to your screen shot, click the little arrow next to UnitTestsOnlyPlan and, in the resulting test plan editor, switch to the Configurations tab.
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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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