Adding unit tests for navigator

vector/src/main/java/im/vector/app/features/settings/devices/v2/rename/RenameSessionViewNavigator.kt

@@ -19,7 +19,6 @@ package im.vector.app.features.settings.devices.v2.rename
 import androidx.fragment.app.FragmentActivity
 import javax.inject.Inject
 
-// TODO add unit tests
 class RenameSessionViewNavigator @Inject constructor() {
 
     fun goBack(activity: FragmentActivity) {

vector/src/test/java/im/vector/app/features/settings/devices/v2/rename/RenameSessionViewNavigatorTest.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2022 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.settings.devices.v2.rename
+
+import androidx.fragment.app.FragmentActivity
+import io.mockk.every
+import io.mockk.just
+import io.mockk.mockk
+import io.mockk.runs
+import io.mockk.verify
+import org.junit.Test
+
+class RenameSessionViewNavigatorTest {
+
+    private val renameSessionViewNavigator = RenameSessionViewNavigator()
+
+    @Test
+    fun `given an activity when going back then the activity is finished`() {
+        // Given
+        val fragmentActivity = mockk<FragmentActivity>()
+        every { fragmentActivity.finish() } just runs
+
+        // When
+        renameSessionViewNavigator.goBack(fragmentActivity)
+
+        // Then
+        verify {
+            fragmentActivity.finish()
+        }
+    }
+}