- Firebase emulator added

- Update to Espresso tests
 - Updated gradle dependencies for espresso

Took 9 hours 56 minutes

app/src/androidTest/java/h_mal/appttude/com/FirebaseTest.kt

@@ -0,0 +1,78 @@
+package h_mal.appttude.com
+
+import com.google.firebase.auth.FirebaseAuth
+import com.google.firebase.database.FirebaseDatabase
+import com.google.firebase.storage.FirebaseStorage
+import h_mal.appttude.com.base.BaseActivity
+import h_mal.appttude.com.data.FirebaseAuthSource
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.tasks.await
+import org.junit.After
+import org.junit.BeforeClass
+
+open class FirebaseTest<T : BaseActivity<*>>(
+    activity: Class<T>,
+    private val registered: Boolean = false,
+    private val signedIn: Boolean = false
+) : BaseUiTest<T>(activity) {
+
+    private val firebaseAuthSource by lazy { FirebaseAuthSource() }
+
+    private var email: String? = null
+
+    companion object {
+        /**
+         *  Setup firebase emulators before all tests
+         */
+        @JvmStatic
+        @BeforeClass
+        fun setupFirebase() {
+            FirebaseAuth.getInstance().useEmulator("10.0.2.2", 9099)
+            FirebaseDatabase.getInstance().useEmulator("10.0.2.2", 9000)
+            FirebaseStorage.getInstance().useEmulator("10.0.2.2", 9199)
+        }
+    }
+
+    override fun beforeLaunch() {
+        if (registered) {
+            runBlocking {
+                setupUser()
+            }
+            if (!signedIn) firebaseAuthSource.logOut()
+        }
+    }
+
+    @After
+    fun tearDownFirebase() = runBlocking {
+        removeUser()
+        firebaseAuthSource.logOut()
+    }
+
+    suspend fun setupUser(
+        signInEmail: String = generateEmailAddress(),
+        password: String = USER_PASSWORD
+    ) {
+        email = signInEmail
+        firebaseAuthSource.registerUser(signInEmail, password).await().user
+    }
+
+    // remove the user we created for testing
+    suspend fun removeUser() {
+        getEmail()?.let {
+            firebaseAuthSource.reauthenticate(it, USER_PASSWORD).await()
+            firebaseAuthSource.deleteProfile().await()
+        }
+    }
+
+    fun generateEmailAddress(): String {
+        val suffix = (1000..50000).random()
+        return "test-${suffix}@test-account.com"
+    }
+
+    fun getEmail(): String? {
+        firebaseAuthSource.getUser()?.email?.let {
+            return it
+        }
+        return email
+    }
+}