native crash when running conceal in junit

[KarimFikani]

In production encryption works perfectly, but when I run encryption in JUnit I would get a weird native crash:

A/art: art/runtime/java_vm_ext.cc:410] JNI DETECTED ERROR IN APPLICATION: JNI GetFieldID called with pending exception java.lang.ClassNotFoundException: Didn't find class "com.facebook.jni.Countable" on path: DexPathList[[zip file "/system/framework/android.test.runner.jar", zip file "/data/app/com.company.app.test-1/base.apk", zip file "/data/app/com.company.app-1/base.apk"],nativeLibraryDirectories=[/data/app/com.company.app.test-1/lib/arm, /data/app/com.company.app-1/lib/arm, /data/app/com.company.app.test-1/base.apk!/lib/armeabi-v7a, /data/app/com.company.app-1/base.apk!/lib/armeabi-v7a, /vendor/lib, /system/lib]]
A/art: art/runtime/java_vm_ext.cc:410]   at java.lang.Class dalvik.system.BaseDexClassLoader.findClass(java.lang.String) (BaseDexClassLoader.java:56)
A/art: art/runtime/java_vm_ext.cc:410]   at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean) (ClassLoader.java:511)
A/art: art/runtime/java_vm_ext.cc:410]   at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String) (ClassLoader.java:469)
A/art: art/runtime/java_vm_ext.cc:410]   at java.lang.String java.lang.Runtime.nativeLoad(java.lang.String, java.lang.ClassLoader, java.lang.String) (
A/art: art/runtime/java_vm_ext.cc:410]   at java.lang.Object java.lang.reflect.Method.invoke!(java.lang.Object, java.lang.Object[]) (Method.java:-2)
A/art: art/runtime/java_vm_ext.cc:410]   at void com.facebook.soloader.SoLoader$1.load(java.lang.String, int) (SoLoader.java:265)
A/art: art/runtime/java_vm_ext.cc:410]   at int com.facebook.soloader.DirectorySoSource.loadLibraryFrom(java.lang.String, int, java.io.File) (
A/art: art/runtime/java_vm_ext.cc:410]   at int com.facebook.soloader.DirectorySoSource.loadLibrary(java.lang.String, int) (DirectorySoSource.java:42)
A/art: art/runtime/java_vm_ext.cc:410]   at void com.facebook.soloader.SoLoader.loadLibraryBySoName(java.lang.String, int) (SoLoader.java:440)
A/art: art/runtime/java_vm_ext.cc:410]   at void com.facebook.soloader.SoLoader.loadLibrary(java.lang.String, int) (SoLoader.java:371)
A/art: art/runtime/java_vm_ext.cc:410]   at void com.facebook.soloader.SoLoader.loadLibrary(java.lang.String) (SoLoader.java:336)
A/art: art/runtime/java_vm_ext.cc:410]   at boolean com.facebook.soloader.NativeLibrary.loadLibraries() (NativeLibrary.java:56)
A/art: art/runtime/java_vm_ext.cc:410]   at void com.facebook.soloader.NativeLibrary.ensureLoaded() (NativeLibrary.java:77)
A/art: art/runtime/java_vm_ext.cc:410]   at void com.facebook.android.crypto.keychain.AndroidCryptoLibrary.ensureCryptoLoaded() (AndroidCryptoLibrary.java:32)
A/art: art/runtime/java_vm_ext.cc:410]   at boolean com.facebook.crypto.Crypto.isAvailable() (Crypto.java:57)
...

What could be the issue here knowing that the same code runs in production just fine.