rename isInABTest

Author: tomrf1

dotcom-rendering/src/components/marketing/banners/designableBanner/DesignableBanner.tsx

@@ -449,7 +449,7 @@ const DesignableBanner: ReactComponent<BannerRenderProps> = ({
 						<DesignableBannerCloseButton
 							onCloseClick={onCloseClick}
 							settings={templateSettings.closeButtonSettings}
-							isInABTest={isCollapsableBanner}
+							isCollapsableBanner={isCollapsableBanner}
 						/>
 					)}
 				</div>

dotcom-rendering/src/components/marketing/banners/designableBanner/components/DesignableBannerCloseButton.tsx

@@ -15,21 +15,21 @@ import { buttonStyles, buttonThemes } from '../styles/buttonStyles';
 interface DesignableBannerCloseButtonProps {
 	onCloseClick: () => void;
 	settings: CtaSettings;
-	isInABTest?: boolean;
+	isCollapsableBanner?: boolean;
 }
 
 export function DesignableBannerCloseButton({
 	onCloseClick,
 	settings,
-	isInABTest = false,
+	isCollapsableBanner = false,
 }: DesignableBannerCloseButtonProps): JSX.Element {
 	return (
 		<div
 			css={css`
 				${styles.container}
 			`}
 		>
-			{isInABTest ? (
+			{isCollapsableBanner ? (
 				<LinkButton
 					onClick={onCloseClick}
 					cssOverrides={buttonStyles(