Add tests for always showing selected providers

Author: Pururun

android/app/src/androidTest/kotlin/net/mullvad/mullvadvpn/compose/screen/FilterScreenTest.kt

@@ -137,6 +137,25 @@ class FilterScreenTest {
             verify { mockClickListener() }
         }
 
+    @Test
+    fun ensureSelectedProviderIsShowEvenThoughItIsNotInAllProviders() =
+        composeExtension.use {
+            // Arrange
+            initScreen(
+                state =
+                    RelayFilterUiState(
+                        providerToOwnerships = DUMMY_RELAY_ALL_PROVIDERS,
+                        selectedOwnership = null,
+                        selectedProviders = listOf(ProviderId("1RemovedProvider")),
+                    )
+            )
+
+            // Act
+            onNodeWithText("Providers").performClick()
+            // Asset
+            onNodeWithText("1RemovedProvider (removed)").assertExists()
+        }
+
     companion object {
         private val DUMMY_RELAY_ALL_PROVIDERS =
             mapOf(

android/app/src/test/kotlin/net/mullvad/mullvadvpn/usecase/FilterChipUseCaseTest.kt

@@ -184,4 +184,27 @@ class FilterChipUseCaseTest {
 
             filterChipUseCase(RelayListType.EXIT).test { assertLists(emptyList(), awaitItem()) }
         }
+
+    @Test
+    fun `ensure that a selected provider that is not in the provider list is still counted`() =
+        runTest {
+            // Arrange
+            val expectedProviders = Providers(providers = setOf(ProviderId("1")))
+            val expectedOwnership = Ownership.MullvadOwned
+            selectedProviders.value = Constraint.Only(expectedProviders)
+            selectedOwnership.value = Constraint.Only(expectedOwnership)
+            providerToOwnerships.value =
+                mapOf(
+                    ProviderId("2") to setOf(Ownership.MullvadOwned),
+                    ProviderId("3") to setOf(Ownership.Rented),
+                )
+
+            // Act, Assert
+            filterChipUseCase(RelayListType.EXIT).test {
+                assertLists(
+                    listOf(FilterChip.Ownership(expectedOwnership), FilterChip.Provider(1)),
+                    awaitItem(),
+                )
+            }
+        }
 }