Swift Testing Failed to complete U… | Apple Developer Forums

Swift Testing Failed to complete Unit Tests -> not enough values to unpack (expected 2, got 1)

I’m migrating some XCTest cases to Swift Testing and hit a runtime error when using tuple arguments within the CI. I don't have an issue when running locally.

[2025-08-21 14:22:13.493] [unit_tests] [WARNING] Could not find test status list for -[FooManagerTests testEndpoint(region:enforce:expectedEndpoint:)]
[2025-08-21 14:22:18.054] [unit_tests] [ERROR] not enough values to unpack (expected 2, got 1)
##[error]Failed to complete Unit Tests -> not enough values to unpack (expected

  @Test("Telemetry endpoint routing", arguments: [
    (TelemetryRegion.value1, false, Foo.someValue1),
    (TelemetryRegion.value2, false, Foo.someValue2),
    (TelemetryRegion.value3, true, Foo.someValue3),
    (TelemetryRegion.value4, false, Foo.someValue4),
  ])
func testEndpoint(region: enforce: expectedEndpoint: ) { ... }