Remove episodes and saved destinations

Bug: 223215076

Change-Id: If71b9190c145f9fc298f33fe2145a87886419d68

app/src/androidTest/java/com/google/samples/apps/nowinandroid/ui/NavigationTest.kt

@@ -142,10 +142,7 @@ class NavigationTest {
         composeTestRule.apply {
             // GIVEN the user is on any of the top level destinations, THEN the Up arrow is not shown.
             onNodeWithContentDescription(navigateUp).assertDoesNotExist()
-            onNodeWithText(episodes).performClick()
-            onNodeWithContentDescription(navigateUp).assertDoesNotExist()
-            onNodeWithText(saved).performClick()
-            onNodeWithContentDescription(navigateUp).assertDoesNotExist()
+            // TODO: Add top level destinations here, see b/226357686.
             onNodeWithText(topics).performClick()
             onNodeWithContentDescription(navigateUp).assertDoesNotExist()
         }
@@ -157,8 +154,8 @@ class NavigationTest {
     @Test(expected = NoActivityResumedException::class)
     fun homeDestination_back_quitsApp() {
         composeTestRule.apply {
-            // GIVEN the user navigates to the Episodes destination
-            onNodeWithText(episodes).performClick()
+            // GIVEN the user navigates to the Topics destination
+            onNodeWithText(topics).performClick()
             // and then navigates to the For you destination
             onNodeWithText(forYou).performClick()
             // WHEN the user uses the system button/gesture to go back
@@ -174,10 +171,9 @@ class NavigationTest {
     @Test
     fun navigationBar_backFromAnyDestination_returnsToForYou() {
         composeTestRule.apply {
-            // GIVEN the user navigated to the Episodes destination
-            onNodeWithText(episodes).performClick()
-            // and then navigated to the Topics destination
+            // GIVEN the user navigated to the Topics destination
             onNodeWithText(topics).performClick()
+            // TODO: Add another destination here to increase test coverage, see b/226357686.
             // WHEN the user uses the system button/gesture to go back,
             Espresso.pressBack()
             // THEN the app shows the For You destination

app/src/main/java/com/google/samples/apps/nowinandroid/ui/NiaApp.kt

@@ -195,7 +195,6 @@ private sealed class Destination(
 
 private val TOP_LEVEL_DESTINATIONS = listOf(
     Destination.ForYou,
-    Destination.Episodes,
-    Destination.Saved,
+    // TODO: Add destinations here, see b/226359180.
     Destination.Following
 )