I am having hard time to identify what causes the "App Does Launch" test in AppCenter to failed. This is the Logs I've got :
NUnit-Console version 2.6.3.13283
Copyright (C) 2002-2012 Charlie Poole.
Copyright (C) 2002-2004 James W. Newkirk, Michael C. Two, Alexei A. Vorontsov.
Copyright (C) 2000-2002 Philip Craig.
All Rights Reserved.
Runtime Environment -
OS Version: Unix 17.4.0.0
CLR Version: 4.0.30319.42000 ( Mono 4.0 ( 5.2.0.224 (d15-3/14f2c81 Thu Aug 24 10:33:52 EDT 2017) ) )
ProcessModel: Default DomainUsage: Single
Execution Runtime: mono-4.0
Installing test cloud reporter.
Connected to Xamarin.UITest.
Run list: runlist.txt
.15-03-2018 13:05:06.922 +01:00 - 0 - Full log file: /Volumes/Data/xamarin/workspaces/82e558c3-7406-4ce0-8cde-1014329f0388/workspace/tmp/uitest/log-2018-03-15_13-05-06-914.txt
15-03-2018 13:05:07.047 +01:00 - 124 - Android test running Xamarin.UITest version: 2.2.1
15-03-2018 13:05:07.076 +01:00 - 153 - Using XAMARIN_TEST_CLOUD configuration override.
15-03-2018 13:05:07.996 +01:00 - 1073 - Initializing Android app with apk: /Volumes/Data/xamarin/workspaces/82e558c3-7406-4ce0-8cde-1014329f0388/workspace/app.apk
FTook final screenshot. { Title: "After test", FileName: "/Volumes/Data/xamarin/workspaces/82e558c3-7406-4ce0-8cde-1014329f0388/workspace/screenshot-final-99776814e79442b7b1a0fba447e5c853.png", ElapsedMilliseconds: 12250 }
Completed run. 19 events collected.
[[[ XTC-Output-Path: '/Volumes/Data/xamarin/workspaces/82e558c3-7406-4ce0-8cde-1014329f0388/workspace/tmp/TestRun-20180315-120905-6895' ]]]
Tests run: 1, Errors: 1, Failures: 0, Inconclusive: 0, Time: 239.2881854 seconds
Not run: 0, Invalid: 0, Ignored: 0, Skipped: 0
Errors and Failures:
1) SetUp Error : AppCenter.UITest.Android.Tests.AppDoesLaunch
SetUp : System.Exception : Failed to execute: /Volumes/Data/xamarin/pipeline/versions/273b31185a32748d5aac56b7a2a964a8327c3225/adt/sdk/platform-tools/adb shell am instrument -e "target_package" "com.companyname.MeStudentV1" -e "main_activity" "null" -e "debug" "false" -e "test_server_port" "37777" -e "class" "sh.calaba.instrumentationbackend.InstrumentationBackend" com.companyname.MeStudentV1.test/sh.calaba.instrumentationbackend.CalabashInstrumentationTestRunner - exit code: 1
/Volumes/Data/xamarin/pipeline/versions/273b31185a32748d5aac56b7a2a964a8327c3225/adt/sdk/platform-tools/adb:407: warning: already initialized constant ARGV
Parse am instrument -e target_package com.companyname.MeStudentV1 -e main_activity null -e debug false -e test_server_port 37777 -e class sh.calaba.instrumentationbackend.InstrumentationBackend com.companyname.MeStudentV1.test/sh.calaba.instrumentationbackend.CalabashInstrumentationTestRunner
{:instrumentation=>"com.companyname.MeStudentV1.test/sh.calaba.instrumentationbackend.CalabashInstrumentationTestRunner", :instrumentation_name=>"sh.calaba.instrumentationbackend.CalabashInstrumentationTestRunner", :main_activity=>"null", :class=>"sh.calaba.instrumentationbackend.InstrumentationBackend", :target_package=>"com.companyname.MeStudentV1", :package_name=>"com.companyname.MeStudentV1.test"}
Parse am instrument -e target_package com.companyname.MeStudentV1 -e main_activity null -e debug false -e test_server_port 37777 -e class sh.calaba.instrumentationbackend.InstrumentationBackend com.companyname.MeStudentV1.test/sh.calaba.instrumentationbackend.CalabashInstrumentationTestRunner
{:instrumentation=>"com.companyname.MeStudentV1.test/sh.calaba.instrumentationbackend.CalabashInstrumentationTestRunner", :instrumentation_name=>"sh.calaba.instrumentationbackend.CalabashInstrumentationTestRunner", :main_activity=>"null", :class=>"sh.calaba.instrumentationbackend.InstrumentationBackend", :target_package=>"com.companyname.MeStudentV1", :package_name=>"com.companyname.MeStudentV1.test"}
/Volumes/Data/xamarin/pipeline/versions/273b31185a32748d5aac56b7a2a964a8327c3225/adt/sdk/platform-tools/adb:117:in `shel': Error while starting {"message"=>"Waited for Calabash server on 37280. Did not launch.", "device_id"=>"88b18273-1f47-476c-be16-6d0c7ce1c349", "error_code"=>104}, 503, {"message":"Waited for Calabash server on 37280. Did not launch.","device_id":"88b18273-1f47-476c-be16-6d0c7ce1c349","error_code":104}. (RuntimeError)
from /Volumes/Data/xamarin/pipeline/versions/273b31185a32748d5aac56b7a2a964a8327c3225/base_gems/gems/thor-0.18.1/lib/thor/command.rb:27:in `run'
from /Volumes/Data/xamarin/pipeline/versions/273b31185a32748d5aac56b7a2a964a8327c3225/base_gems/gems/thor-0.18.1/lib/thor/invocation.rb:120:in `invoke_command'
from /Volumes/Data/xamarin/pipeline/versions/273b31185a32748d5aac56b7a2a964a8327c3225/base_gems/gems/thor-0.18.1/lib/thor.rb:363:in `dispatch'
from /Volumes/Data/xamarin/pipeline/versions/273b31185a32748d5aac56b7a2a964a8327c3225/base_gems/gems/thor-0.18.1/lib/thor/base.rb:439:in `start'
from /Volumes/Data/xamarin/pipeline/versions/273b31185a32748d5aac56b7a2a964a8327c3225/adt/sdk/platform-tools/adb:413:in `<main>'
at Xamarin.UITest.Shared.Processes.ProcessRunner.Run (System.String path, System.String arguments, System.Collections.Generic.IEnumerable`1[T] noExceptionOnExitCodes) [0x00059] in <5745119407a04120bc96f6ab09d7913e>:0
at Xamarin.UITest.Shared.Android.Adb.AdbProcessRunner.Run (System.String adbArguments, System.Int32[] noExceptionsOnExitCodes) [0x00011] in <5745119407a04120bc96f6ab09d7913e>:0
at Xamarin.UITest.Shared.Android.Commands.CommandAdbInstrument.Execute (Xamarin.UITest.Shared.Android.Adb.AdbProcessRunner processRunner) [0x00081] in <5745119407a04120bc96f6ab09d7913e>:0
at Xamarin.UITest.Shared.Execution.Executor.Execute[TDep1] (Xamarin.UITest.Shared.Execution.ICommand`1[TDep1] command) [0x0000c] in <5745119407a04120bc96f6ab09d7913e>:0
at Xamarin.UITest.Shared.Android.TestCloudAndroidAppLifeCycle.LaunchApp (Xamarin.UITest.Shared.Android.ApkFile appApkFile, Xamarin.UITest.Shared.Android.ApkFile testServerApkFile, System.Int32 testServerPort) [0x0004c] in <5745119407a04120bc96f6ab09d7913e>:0
at Xamarin.UITest.Android.AndroidApp..ctor (Xamarin.UITest.Configuration.IAndroidAppConfiguration appConfiguration, Xamarin.UITest.Shared.Execution.IExecutor executor) [0x001c1] in <5745119407a04120bc96f6ab09d7913e>:0
at Xamarin.UITest.Android.AndroidApp..ctor (Xamarin.UITest.Configuration.IAndroidAppConfiguration appConfiguration) [0x00000] in <5745119407a04120bc96f6ab09d7913e>:0
at Xamarin.UITest.Configuration.AndroidAppConfigurator.StartApp (Xamarin.UITest.Configuration.AppDataMode appDataMode) [0x00017] in <5745119407a04120bc96f6ab09d7913e>:0
at AppCenter.UITest.Android.Tests.SetUp () [0x00010] in <bcdaf2f196224d76ad22fb1c6eb5ef28>:0
at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&)
at System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00032] in <48b95f3df5804531818f80e28ec60191>:0
WARNING: The runtime version supported by this application is unavailable.
Using default runtime: v4.0.30319
Tried to replicate the scenario on an Emulator with the same Device Model (Google PIXEL XL) and OS Version (Android 8.0) and it deploy successfully on my emulator
Upon consulting to the AppCenter's support team. They've advised me to lower my app's TargetFrameworkVersion from 8.1 to 8.0 becaused since it is currently not supported.