Running Espresso tests on Firebase Test Lab from Android Studio fails with "Invalid APK"

[kunal.s...@rksv.in]

Hi,

I'm trying to run Espresso test cases on Firebase test lab from Android Studio v3.0.1 but it fails with error - The provided APK is invalid . Running robo tests from web console is working fine. This is the first time I'm trying to run Instrumented tests from Android Studio.

Below is the full log:

Using Cloud Storage Bucket location test-lab-ja5crs2qbt7vk-jyv2busakb7q6/as-build_2018-01-13_22:01:38.497_HATU ...

Uploading app APK ...

Uploading test APK ...

Submitting tests to Firebase Test Lab ...

Validating APKs ...

Pixel, Google | Android 8.0.x, API Level 26 (Oreo) | English | Portrait

Skipped triggering the test execution: The provided APK is invalid

Pixel, Google | Android 8.1.x, API Level 27 (Oreo MR1) | English | Portrait

Skipped triggering the test execution: The provided APK is invalid

Nexus 6P, Google, Virtual | Android 8.1.x, API Level 27 (Oreo MR1) | English | Portrait

Skipped triggering the test execution: The provided APK is invalid

Nexus 6P, Google, Virtual | Android 8.0.x, API Level 26 (Oreo) | English | Portrait

Skipped triggering the test execution: The provided APK is invalid

Test running failed: No test results

Finish

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