Print a warning when trying to animate deprecated properties

sixtyfps_compiler/tests/syntax/basic/animate.60

@@ -32,8 +32,8 @@ SuperSimple := Rectangle {
     animate * { duration: 100ms; }
 //          ^error{catch-all property is only allowed within transitions}
 
-    animate color, foo { duration: 100ms; }
-//                ^error{'foo' is not an animatable property}
+    animate background, foo { duration: 100ms; }
+//                     ^error{'foo' is not an animatable property}
 
     text := Text{ animate x { duration: 1000ms; } }
     animate text.x { duration: 100ms; }

sixtyfps_compiler/tests/syntax/basic/easing.60

@@ -12,8 +12,8 @@ X := Rectangle {
     animate x { easing: ease-in; }
     animate y { easing: foo; }
     //                  ^error{Unknown unqualified identifier 'foo'}
-    animate color { easing: a; }
-    //                     ^error{Cannot convert int to easing}
+    animate background { easing: a; }
+    //                          ^error{Cannot convert int to easing}
     property <int> a; animate a { easing: cubic-bezier(0.01,1.46,0.94,1.37); }
     property <int> b; animate b { easing: cubic-bezier(0.01,1.46,0.94); }
     //                                    ^error{Not enough arguments}

sixtyfps_compiler/tests/syntax/basic/states_transitions2.60

@@ -10,7 +10,7 @@ LICENSE END */
 TestCase := Rectangle {
     property<bool> checked;
     property <int> border;
-    animate color { }
+    animate background { }
     states [
         checked when checked: {
             color: blue;
@@ -25,7 +25,7 @@ TestCase := Rectangle {
         }
         in checked: {
 //        ^error{The property 'background' cannot have transition because it already has an animation}
-            animate color { }
+            animate background { }
         }
     ]
 

sixtyfps_compiler/tests/syntax/lookup/deprecated_property.60

@@ -15,5 +15,9 @@ Xxx := Rectangle {
     Rectangle {
         background: root.color;
 //                       ^warning{The property 'color' has been deprecated. Please use 'background' instead}
+        animate color {
+//              ^warning{The property 'color' has been deprecated. Please use 'background' instead}
+            duration: 250ms;
+        }
     }
 }