"react-native": "0.51.0",
  ...
  "detox": "^7.0.0-alpha.0",
  ...
  "android.emu.debug": {
    "binaryPath": "android/app/build/outputs/apk/pocPlayStore/debug/app-poc-playStore-debug.apk",
    "build": "cd android && ./gradlew assembleDebug assembleAndroidTest -DtestBuildType=debug && cd ..",
    "type": "android.emulator",
    "name": "Nexus_5X_API_26"
  },

detox test -c android.emu.debug --loglevel verbose

detox info 15:26:02: server listening on localhost:63324...
detox verb ws onOpen [object Object]
detox verb ws send: {"type":"login","params":{"sessionId":"300068b9-c44f-8b8a-81cb-73f8c66b0752","role":"tester"},"messageId":0}
detox verb ws onMessage: {"type":"loginSuccess","params":{"sessionId":"300068b9-c44f-8b8a-81cb-73f8c66b0752","role":"tester"},"messageId":0}
detox verb ws
detox verb 1: /Users/me/Library/Android/sdk/tools/emulator -list-avds --verbose
detox verb 1: stdout: Nexus_5X_API_26
detox verb 1: stdout:
detox verb /Users/me/Library/Android/sdk/tools/emulator -verbose -gpu host -no-audio @Nexus_5X_API_26
detox verb 2: /Users/me/Library/Android/sdk/platform-tools/adb  devices
detox verb 2: stdout: List of devices attached
detox verb 2: stdout: emulator-5554 device
detox verb 2: stdout:
detox verb 2: stdout:
detox verb 3: /Users/me/Library/Android/sdk/platform-tools/adb -s emulator-5554 shell getprop dev.bootcomplete
detox verb 3: stdout: 1
detox verb 3: stdout:
detox verb 4: /Users/me/Library/Android/sdk/platform-tools/adb -s emulator-5554 shell input keyevent 82
detox verb adb -s emulator-5554 shell am instrument -w -r -e detoxServer ws://localhost:63324 -e detoxSessionId 300068b9-c44f-8b8a-81cb-73f8c66b0752 -e debug false com.mypackage2.mobile.test/android.support.test.runner.AndroidJUnitRunner
detox verb Instrumentation spawned, childProcess.pid:  24565
detox verb ws send: {"type":"isReady","params":{},"messageId":-1000}
detox verb Instrumentation stdout:  INSTRUMENTATION_STATUS: numtests=1
detox verb Instrumentation stdout:  INSTRUMENTATION_STATUS: stream=
detox verb Instrumentation stdout:  com.mypackage2.mobile.DetoxTest:
detox verb Instrumentation stdout:  INSTRUMENTATION_STATUS: id=AndroidJUnitRunner
detox verb Instrumentation stdout:  INSTRUMENTATION_STATUS: test=runDetoxTests
detox verb Instrumentation stdout:  INSTRUMENTATION_STATUS: class=com.mypackage2.mobile.DetoxTest
detox verb Instrumentation stdout:  INSTRUMENTATION_STATUS: current=1
detox verb Instrumentation stdout:
detox verb Instrumentation stdout:  INSTRUMENTATION_STATUS_CODE: 1
detox verb Instrumentation stdout:

detox verb Instrumentation stdout:  INSTRUMENTATION_CODE: 0
detox verb Instrumentation stdout:
detox verb instrumentationProcess terminated due to receipt of signal null
  1) "before all" hook: _callee

  0 passing (2m)
  1 failing

  1) "before all" hook: _callee:
     Error: Timeout of 120000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves.





  0 passing (2m)
  1 failing

  1) "before all" hook: _callee:
     Error: Timeout of 120000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves.

01-17 15:11:01.053  5248  5318 D ReactNative: Initializing React Xplat Bridge.
01-17 15:11:01.055  5248  5318 D ReactNative: Initializing React Xplat Bridge before initializeBridge
01-17 15:11:01.060  5248  5318 D ReactNative: Initializing React Xplat Bridge after initializeBridge
01-17 15:11:01.061  5248  5318 D ReactNative: CatalystInstanceImpl.runJSBundle()
01-17 15:11:01.061  5248  5323 D ReactNative: ReactInstanceManager.setupReactContext()
01-17 15:11:01.061  5248  5323 D ReactNative: CatalystInstanceImpl.initialize()
01-17 15:11:01.065  5248  5323 D ReactNative: ReactInstanceManager.attachRootViewToInstance()

01-17 15:24:10.207  6447  6530 I ReactNativeJS: Running application "MyApp" with appParams: {"rootTag":1}. __DEV__ === true, development-level warning are ON, performance optimizations are OFF

package com.mypackage2.mobile;
import android.support.test.filters.LargeTest;
import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;

import com.wix.detox.Detox;

import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import com.mypackage.mobile.MainActivity;

@RunWith(AndroidJUnit4.class)
@LargeTest
public class DetoxTest {

    @Rule
    public ActivityTestRule<MainActivity> mActivityRule = new ActivityTestRule<>(MainActivity.class, false, false);

    @Test
    public void runDetoxTests() throws InterruptedException {
        Detox.runTests(mActivityRule);
    }
}