diff --git a/.Rbuildignore b/.Rbuildignore
index 9d959df..7343392 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -8,4 +8,3 @@
 ^\.github$
 ^cran-comments\.md$
 ^docs$
-tests/testthat/_snaps$
diff --git a/tests/testthat/_snaps/hgraph/alpha-allocation-hypotheses-names-transitions.svg b/tests/testthat/_snaps/hgraph/alpha-allocation-hypotheses-names-transitions.svg
index 87aa68d..02b4329 100644
--- a/tests/testthat/_snaps/hgraph/alpha-allocation-hypotheses-names-transitions.svg
+++ b/tests/testthat/_snaps/hgraph/alpha-allocation-hypotheses-names-transitions.svg
@@ -18,6 +18,7 @@
   </clipPath>
 </defs>
 <g clip-path='url(#cpMC4wMHw3MjAuMDB8MC4wMHw1NzYuMDA=)'>
+<rect x='0.00' y='0.00' width='720.00' height='576.00' style='stroke-width: 0.00; stroke: none;' />
 </g>
 <defs>
   <clipPath id='cpMC4wMHw3MjAuMDB8MTcuMzB8NTc2LjAw'>
diff --git a/tests/testthat/_snaps/hgraph/alpha-digits.svg b/tests/testthat/_snaps/hgraph/alpha-digits.svg
index e7e4b76..04642a9 100644
--- a/tests/testthat/_snaps/hgraph/alpha-digits.svg
+++ b/tests/testthat/_snaps/hgraph/alpha-digits.svg
@@ -18,6 +18,7 @@
   </clipPath>
 </defs>
 <g clip-path='url(#cpMC4wMHw3MjAuMDB8MC4wMHw1NzYuMDA=)'>
+<rect x='0.00' y='0.00' width='720.00' height='576.00' style='stroke-width: 0.00; stroke: none;' />
 </g>
 <defs>
   <clipPath id='cpMC4wMHw3MjAuMDB8MTcuMzB8NTc2LjAw'>
diff --git a/tests/testthat/_snaps/hgraph/basic-layout.svg b/tests/testthat/_snaps/hgraph/basic-layout.svg
index a5111cc..1a25783 100644
--- a/tests/testthat/_snaps/hgraph/basic-layout.svg
+++ b/tests/testthat/_snaps/hgraph/basic-layout.svg
@@ -18,6 +18,7 @@
   </clipPath>
 </defs>
 <g clip-path='url(#cpMC4wMHw3MjAuMDB8MC4wMHw1NzYuMDA=)'>
+<rect x='0.00' y='0.00' width='720.00' height='576.00' style='stroke-width: 0.00; stroke: none;' />
 </g>
 <defs>
   <clipPath id='cpMC4wMHw3MjAuMDB8MTcuMzB8NTc2LjAw'>
diff --git a/tests/testthat/_snaps/hgraph/clockwise-order.svg b/tests/testthat/_snaps/hgraph/clockwise-order.svg
index acefc07..fee712e 100644
--- a/tests/testthat/_snaps/hgraph/clockwise-order.svg
+++ b/tests/testthat/_snaps/hgraph/clockwise-order.svg
@@ -18,6 +18,7 @@
   </clipPath>
 </defs>
 <g clip-path='url(#cpMC4wMHw3MjAuMDB8MC4wMHw1NzYuMDA=)'>
+<rect x='0.00' y='0.00' width='720.00' height='576.00' style='stroke-width: 0.00; stroke: none;' />
 </g>
 <defs>
   <clipPath id='cpMC4wMHw3MjAuMDB8MTcuMzB8NTc2LjAw'>
diff --git a/tests/testthat/_snaps/hgraph/custom-ellipses-multiline.svg b/tests/testthat/_snaps/hgraph/custom-ellipses-multiline.svg
index 5f39595..3333f04 100644
--- a/tests/testthat/_snaps/hgraph/custom-ellipses-multiline.svg
+++ b/tests/testthat/_snaps/hgraph/custom-ellipses-multiline.svg
@@ -18,6 +18,7 @@
   </clipPath>
 </defs>
 <g clip-path='url(#cpMC4wMHw3MjAuMDB8MC4wMHw1NzYuMDA=)'>
+<rect x='0.00' y='0.00' width='720.00' height='576.00' style='stroke-width: 0.00; stroke: none;' />
 </g>
 <defs>
   <clipPath id='cpMC4wMHw3MjAuMDB8MTcuMzB8NTc2LjAw'>
diff --git a/tests/testthat/_snaps/hgraph/gray-shades.svg b/tests/testthat/_snaps/hgraph/gray-shades.svg
index 91b2023..36855a6 100644
--- a/tests/testthat/_snaps/hgraph/gray-shades.svg
+++ b/tests/testthat/_snaps/hgraph/gray-shades.svg
@@ -18,6 +18,7 @@
   </clipPath>
 </defs>
 <g clip-path='url(#cpMC4wMHw3MjAuMDB8MC4wMHw1NzYuMDA=)'>
+<rect x='0.00' y='0.00' width='720.00' height='576.00' style='stroke-width: 0.00; stroke: none;' />
 </g>
 <defs>
   <clipPath id='cpMC4wMHw3MjAuMDB8MTcuMzB8NTc2LjAw'>
diff --git a/tests/testthat/_snaps/hgraph/hue-palette.svg b/tests/testthat/_snaps/hgraph/hue-palette.svg
index f2638b1..3a0f75d 100644
--- a/tests/testthat/_snaps/hgraph/hue-palette.svg
+++ b/tests/testthat/_snaps/hgraph/hue-palette.svg
@@ -18,6 +18,7 @@
   </clipPath>
 </defs>
 <g clip-path='url(#cpMC4wMHw3MjAuMDB8MC4wMHw1NzYuMDA=)'>
+<rect x='0.00' y='0.00' width='720.00' height='576.00' style='stroke-width: 0.00; stroke: none;' />
 </g>
 <defs>
   <clipPath id='cpMC4wMHw3MjAuMDB8MTcuMzB8NTc2LjAw'>