TestEnvironmentChecker.kt

object TestEnvironmentChecker {

  /**
   * Firebase Test Lab またはテスト環境で実行されているかを推定
   */
  fun isRunningInTestLab(context: Context): Boolean {
      return when {
          isFirebaseTestLab(context) -> {
              Log.d("EnvCheck", "Detected: Firebase Test Lab via system setting")
              true
            }
            isKnownTestDevice() -> {
                Log.d("EnvCheck", "Detected: Emulator or test device")
                true
            }
            isKnownTestLabNetwork() -> {
                Log.d("EnvCheck", "Detected: Firebase Test Lab network range")
                true
            }
            else -> false
        }
    }

    /**
     * firebase.test.lab = "true" で判定
     */
    private fun isFirebaseTestLab(context: Context): Boolean {
        val value = Settings.System.getString(
                      context.contentResolver, "firebase.test.lab")
        return "true" == value
    }

    /**
     * エミュレータやCI環境の検出（補助的）
     */
    private fun isKnownTestDevice(): Boolean {
        return (Build.FINGERPRINT.startsWith("generic")
                || Build.FINGERPRINT.lowercase().contains("vbox")
                || Build.MODEL.contains("Emulator")
                || Build.MODEL.contains("Android SDK built for x86")
                || Build.MANUFACTURER.contains("Genymotion")
                || Build.PRODUCT.contains("sdk")
                || Build.HARDWARE.contains("ranchu"))
    }

    /**
     * Firebase Test Lab のネットワーク（Google Cloud 環境）をざっくり推定
     * ※厳密ではなく参考レベル
     */
    private fun isKnownTestLabNetwork(): Boolean {
        return try {
            val interfaces = NetworkInterface.getNetworkInterfaces()
            interfaces.toList().any { intf ->
                intf.inetAddresses.toList().any { addr ->
                    val host = addr.hostAddress ?: return@any false
                    host.startsWith("35.") || host.startsWith("34.") // GCPのIP帯域
                }
            }
        } catch (e: Exception) {
            false
        }
    }
}

“Install Error(-10)” Got You Stuck? The Hidden Trick to Beat Google Play’s Pre-launch Test
https://android.benigumo.com/20251102/install-error-10/