[IOAPPX-403] Action in banner is not announced by screen reader on Android

src/components/banner/Banner.tsx

@@ -157,7 +157,7 @@ export const Banner = ({
   onClose,
   accessibilityHint,
   accessibilityLabel,
-  testID
+  testID,
 }: Banner) => {
   const isPressed: Animated.SharedValue<number> = useSharedValue(0);
 
@@ -195,13 +195,17 @@ export const Banner = ({
     isPressed.value = 0;
   }, [isPressed]);
 
+  /* Generates a complete fallbackAccessibilityLabel by concatenating the title, content, and action
+   if they are present. */
+  const fallbackAccessibilityLabel = [title, content, action].filter(Boolean).join(" ");
+
   const renderMainBlock = () => (
     <>
       <View
         style={[IOStyles.flex, IOStyles.selfCenter]}
         accessible={true}
         // A11y related props
-        accessibilityLabel={accessibilityLabel}
+        accessibilityLabel={accessibilityLabel ?? fallbackAccessibilityLabel}
         accessibilityHint={accessibilityHint}
         accessibilityRole={action !== undefined ? "button" : undefined}
       >

src/components/banner/__test__/__snapshots__/banner.test.tsx.snap

@@ -58,6 +58,7 @@ exports[`Test Banner Components - Experimental Enabled Banner Snapshot 1`] = `
     }
   >
     <View
+      accessibilityLabel="Action text"
       accessibilityRole="button"
       accessible={true}
       style={
@@ -407,6 +408,7 @@ exports[`Test Banner Components Banner Snapshot 1`] = `
     }
   >
     <View
+      accessibilityLabel="Action text"
       accessibilityRole="button"
       accessible={true}
       style={

src/components/banner/__test__/banner.test.tsx

@@ -18,6 +18,7 @@ describe("Test Banner Components", () => {
         pictogramName="charity"
         action="Action text"
         onPress={onLinkPress}
+        accessibilityLabel="Action text"
       />
     ).toJSON();
     expect(advice).toMatchSnapshot();
@@ -34,6 +35,7 @@ describe("Test Banner Components - Experimental Enabled", () => {
         pictogramName="charity"
         action="Action text"
         onPress={onLinkPress}
+        accessibilityLabel="Action text"
       />
     ).toJSON();
     expect(advice).toMatchSnapshot();