All UI tests failed with: *** -[__NSCFString stringByAppendingPathExtension:]: nil argument (NSInvalidArgumentException)

[boot85]

Description

All tests fail with Failure message: *** -[__NSCFString stringByAppendingPathExtension:]: nil argument (NSInvalidArgumentException)

Reproduction

1. Have the following sample test:

class OpenAppTest {
    func testSample() {

    }
}

2. Run it via idb xctest run ui ...

Additional Information

• idb/idb-companion 1.1.7
• MacOS Monterey / MacMini M1
• Xcode 13 (the same for 13.2.1)

from idb-companion log

...
[simulator_set] runTestWithLaunchConfiguration:reporter:logger: succeeded
...

from test run log:

XCTestOutputBarrier<unknown>:0: error: -[UITests.OpenAppTest testSample] : *** -[__NSCFString stringByAppendingPathExtension:]: nil argument (NSInvalidArgumentException)
Test Case '-[UITests.OpenAppTest testSample]' failed (3.666 seconds).