style(tests): format all files

tests/app/xml-declaration/mymodulewithxml/MyControl.xml

@@ -1,4 +1,4 @@
 <StackLayout xmlns:customControls="xml-declaration/mymodule" class="MySecondCustomStackLayout">
   <Label id="Label1" text="mymodulewithxml" />
-  <Button text="Click!" tap="buttonTap2" /> 
+  <Button text="Click!" tap="buttonTap2" />
 </StackLayout>

tests/app/xml-declaration/mymodulewithxml/TabViewParentChainPage.xml

@@ -13,4 +13,4 @@
             </TabViewItem>
         </TabView.items>
     </TabView>
-</Page>
+</Page>

tests/app/xml-declaration/mymodulewithxml/package.json

@@ -1,2 +1,4 @@
-{ "name" : "MyControl",
-  "main" : "MyControl.js" }
+{
+    "name": "MyControl",
+    "main": "MyControl.js"
+}