Fix formatting in test

Author: hjohn

modules/javafx.base/src/test/java/test/javafx/beans/value/ObservableValueFluentBindingsTest.java

@@ -928,7 +928,8 @@ void shouldReturnInitialValueAtTimeOfCreation() {
 
         @Nested
         class WithNotNullReturns_ObservableValue_Which {
-            private ObjectProperty<Boolean> condition = new SimpleObjectProperty<Boolean>(true);  // using object property here so it can be set to null for testing
+            // using object property here so it can be set to null for testing
+            private ObjectProperty<Boolean> condition = new SimpleObjectProperty<>(true);
             private ObservableValue<String> observableValue = property.when(condition);
 
             @Test