EXCEPTION (PhutilTypeCheckException): Parameter 'region' has invalid type. Expected type 'string', got type 'null'. #0 /Users/epriestley/dev/core/lib/arcanist/src/parser/PhutilTypeSpec.php(169): PhutilTypeSpec->check(NULL, 'region') #1 /Users/epriestley/dev/core/lib/phabricator/src/applications/metamta/adapter/PhabricatorMailAmazonSESAdapter.php(18): PhutilTypeSpec::checkMap(Array, Array) #2 /Users/epriestley/dev/core/lib/phabricator/src/applications/metamta/adapter/PhabricatorMailAdapter.php(132): PhabricatorMailAmazonSESAdapter->validateOptions(Array) #3 /Users/epriestley/dev/core/lib/phabricator/src/applications/metamta/adapter/__tests__/PhabricatorMailAdapterTestCase.php(87): PhabricatorMailAdapter->setOptions(Array) #4 /Users/epriestley/dev/core/lib/arcanist/src/unit/engine/phutil/PhutilTestCase.php(493): PhabricatorMailAdapterTestCase->testSupportsMessageID() #5 /Users/epriestley/dev/core/lib/arcanist/src/unit/engine/PhutilUnitTestEngine.php(69): PhutilTestCase->run() #6 /Users/epriestley/dev/core/lib/arcanist/src/unit/engine/ArcanistConfigurationDrivenUnitTestEngine.php(148): PhutilUnitTestEngine->run() #7 /Users/epriestley/dev/core/lib/arcanist/src/workflow/ArcanistUnitWorkflow.php(170): ArcanistConfigurationDrivenUnitTestEngine->run() #8 /Users/epriestley/dev/core/lib/arcanist/src/workflow/ArcanistDiffWorkflow.php(1228): ArcanistUnitWorkflow->run() #9 /Users/epriestley/dev/core/lib/arcanist/src/workflow/ArcanistDiffWorkflow.php(1130): ArcanistDiffWorkflow->runUnit() #10 /Users/epriestley/dev/core/lib/arcanist/src/workflow/ArcanistDiffWorkflow.php(365): ArcanistDiffWorkflow->runLintUnit() #11 /Users/epriestley/dev/core/lib/arcanist/scripts/arcanist.php(419): ArcanistDiffWorkflow->run() #12 {main}