Write “Current Relation” screen Espresso test (b)

Write “Current Relation” screen (**scenario: when there is relation**) Espresso test

**Describe the solution you'd like**
Unit tests to cover the Current Relation feature of the app, when there is a relation present.

The tests would go [here](https://github.com/anitab-org/mentorship-android/tree/develop/app/src/androidTest/java/org/systers/mentorship)

Acceptance criteria:

- [ ] Connect Android device or open the emulator
- [ ] On terminal type ./gradlew clean build connectedAndroidTest --stacktrace
- [ ] Wait for your test to complete
- [ ] See the complete report ../mentorship-android/app/build/reports/androidTests/connected/index.html and check if this test passed.