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diff --git a/tests/backstop/bitmaps_reference/nhsuk-frontend_Warning_callout_with_custom_heading_0_document_3_Surface_iPad_Pro.png b/tests/backstop/bitmaps_reference/nhsuk-frontend_Warning_callout_with_custom_heading_0_document_3_Surface_iPad_Pro.png
index c495cca72..09bc41210 100644
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