Renamed method installed? to app_installed?

Author: JaniJegoroff

android_tests/lib/android/specs/common/device.rb

@@ -25,7 +25,7 @@
   end
 
   t 'installed' do
-    wait { installed?('fake_app').must_equal false }
+    wait { app_installed?('fake_app').must_equal false }
   end
 
   t 'reset' do

android_tests/lib/android/specs/install.rb

@@ -5,11 +5,11 @@ def pkg
   end
 
   def installed
-    installed?(pkg).must_equal true
+    app_installed?(pkg).must_equal true
   end
 
   def not_installed
-    installed?(pkg).must_equal false
+    app_installed?(pkg).must_equal false
   end
 
   t 'install/uninstall' do

ios_tests/lib/ios/specs/device/device.rb

@@ -27,8 +27,8 @@ def go_back
     screen.must_equal catalog
   end
 
-  t 'installed' do
-    installed = installed? "Derrp"
+  t 'app_installed' do
+    installed = app_installed? "Derrp"
     installed.must_equal false
   end
 

lib/appium_lib/device/device.rb

@@ -140,9 +140,9 @@ def remove_app(id)
           end
         end
 
-        add_endpoint_method(:installed?, 'session/:session_id/appium/device/app_installed') do
-          def installed?(app_id)
-            execute :installed?, {}, bundleId: app_id
+        add_endpoint_method(:app_installed?, 'session/:session_id/appium/device/app_installed') do
+          def app_installed?(app_id)
+            execute :app_installed?, {}, bundleId: app_id
           end
         end