update tests

Author: KazuCocoa

test/functional/android/android/device_test.rb

@@ -77,7 +77,7 @@ def test_background_reset
           end
           assert 'An element could not be located on the page using the given search parameters.', error.message
 
-          @driver.reset
+          @driver.activate_app('io.appium.android.apis')
         end
 
         e = @driver.wait(timeout: 60) { |d| d.find_element :accessibility_id, 'App' }

test/functional/android/android/search_context_test.rb

@@ -48,12 +48,12 @@ def test_viewtag
       def test_datamatcher
         skip 'UiAutomator2 does not support viewtag' if @@core.automation_name != :espresso
 
-        e = @driver.find_elements :data_matcher, { name: 'hasEntry', args: %w(title Animation) }.to_json
-        assert_equal 1, e.size
-        assert_equal 'Animation', e.first.tag_name
-        assert_equal ::Appium::Core::Element, e.class
+        es = @driver.find_elements :data_matcher, { name: 'hasEntry', args: %w(title Animation) }.to_json
+        assert_equal 1, es.size
+        assert_equal 'Animation', es.first.tag_name
+        assert_equal ::Appium::Core::Element, es.first.class
 
-        e.first.click
+        es.first.click
         @driver.find_element :accessibility_id, 'Cloning' # no error
         @driver.back
       end