[android] - make a singular FragmentBackStack test

platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/integration/FragmentBackStackTest.kt

@@ -19,15 +19,6 @@ class FragmentBackStackTest : BaseIntegrationTest() {
     openFeature("Backstack Map Fragment")
   }
 
-  @Test
-  @LargeTest
-  fun backPressedOnBackStack() {
-    device.waitForIdle()
-    clickReplaceFragmentButton()
-    device.waitForIdle()
-    backPressBackStack()
-  }
-
   @Test
   @LargeTest
   fun backPressedOnBackStackResumed(){
@@ -39,15 +30,6 @@ class FragmentBackStackTest : BaseIntegrationTest() {
     backPressBackStack()
   }
 
-  @Test
-  @LargeTest
-  fun finishOnBackStack() {
-    device.waitForIdle()
-    clickReplaceFragmentButton()
-    device.waitForIdle()
-    device.findObject(UiSelector().description("Navigate up")).click()
-  }
-
   private fun clickReplaceFragmentButton(){
     device.findObject(UiSelector().text("REPLACE WITH EMPTY FRAGMENT")).click()
   }