diff --git a/layout/reftests/flexbox/pagination/flexbox-single-column-1-ref.html b/layout/reftests/flexbox/pagination/flexbox-single-column-1-ref.html
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CSS Flexbox Test Reference: Fragmentation of single-line column flex container
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diff --git a/layout/reftests/flexbox/pagination/flexbox-single-column-1a.html b/layout/reftests/flexbox/pagination/flexbox-single-column-1a.html
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+++ b/layout/reftests/flexbox/pagination/flexbox-single-column-1a.html
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+ CSS Flexbox Test: Fragmentation of height:auto single-line column flex container with fixed height flex items
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diff --git a/layout/reftests/flexbox/pagination/flexbox-single-row-1-ref.html b/layout/reftests/flexbox/pagination/flexbox-single-row-1-ref.html
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+ CSS Flexbox Test Reference: Fragmentation of single-line row flex container
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diff --git a/layout/reftests/flexbox/pagination/flexbox-single-row-1a.html b/layout/reftests/flexbox/pagination/flexbox-single-row-1a.html
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+ CSS Flexbox Test: Fragmentation of height:auto single-line row flex container with fixed height flex items
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diff --git a/layout/reftests/flexbox/pagination/reftest.list b/layout/reftests/flexbox/pagination/reftest.list
index a08074700335..42d43357a0b1 100644
--- a/layout/reftests/flexbox/pagination/reftest.list
+++ b/layout/reftests/flexbox/pagination/reftest.list
@@ -39,3 +39,9 @@ fuzzy-if(Android&&webrender,0-128,0-10) == flexbox-empty-2d.html flexbox-empty-2
== flexbox-unbreakable-child-3c-wrap.html flexbox-unbreakable-child-3-ref.html
== flexbox-unbreakable-child-3d.html flexbox-unbreakable-child-3-ref.html
== flexbox-unbreakable-child-3d-wrap.html flexbox-unbreakable-child-3-ref.html
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+# Tests for how we fragment flex items in a single-line column flex container.
+== flexbox-single-column-1a.html flexbox-single-column-1-ref.html
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+# Tests for how we fragment flex items in a single-line row flex container.
+== flexbox-single-row-1a.html flexbox-single-row-1-ref.html