Detox on android not opening app on launch of emulator

[rehansulehria]

on hitting below command :

detox test --configuration android.emu.debug

emulator opens but app under test is not launching.
the same app and tests work fine on ios

log:
detox[10879] TRACE: [ArtifactsManager.js/LIFECYCLE] artifactsManager.onLaunchApp({
deviceId: 'emulator-5554',
bundleId: 'com.alefeducation.guardian',
launchArgs: {
detoxServer: 'ws://localhost:51024',
detoxSessionId: 'da5b844a-cb9b-e057-8cc4-041ef0a45aac'
},
pid: 10879
})
detox[65234] TRACE: [AsyncWebSocket.js/WEBSOCKET_SEND] {"type":"isReady","params":{},"messageId":-1000}
detox[65234] TRACE: [DetoxServer.js/MESSAGE] role=tester action=isReady (sessionId=da5b844a-cb9b-e057-8cc4-041ef0a45aac)
detox[65234] DEBUG: [DetoxServer.js/CANNOT_FORWARD] role=testee not connected, cannot fw action (sessionId=da5b844a-cb9b-e057-8cc4-041ef0a45aac)
detox[65234] TRACE: [exec.js/SPAWN_STDOUT, #15] INSTRUMENTATION_RESULT: shortMsg=Process crashed.
INSTRUMENTATION_CODE: 0

detox[65234] DEBUG: [exec.js/KILL] sending SIGINT to [pid = 65271]: /Users/r.shahid/Library/Android/sdk/platform-tools/adb -s emulator-5554 shell am instrument -w -r -e detoxServer ws://localhost:51024 -e detoxSessionId da5b844a-cb9b-e057-8cc4-041ef0a45aac -e debug ZmFsc2U= com.alefeducation.guardian.test/android.support.test.runner.AndroidJUnitRunner
detox[65234] TRACE: [exec.js/SPAWN_END, #15] /Users/r.shahid/Library/Android/sdk/platform-tools/adb -s emulator-5554 shell am instrument -w -r -e detoxServer ws://localhost:51024 -e detoxSessionId da5b844a-cb9b-e057-8cc4-041ef0a45aac -e debug ZmFsc2U= com.alefeducation.guardian.test/android.support.test.runner.AndroidJUnitRunner finished with code = 0

[support]

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