add test for joining forward on inline voids

test/transforms/fixtures/at-range/delete-forward-at-range/join-blocks-with-inline-void/index.js

@@ -0,0 +1,17 @@
+
+export default function (state) {
+  const { document, selection } = state
+  const texts = document.getTexts()
+  const first = texts.first()
+  const range = selection.merge({
+    anchorKey: first.key,
+    anchorOffset: first.length,
+    focusKey: first.key,
+    focusOffset: first.length
+  })
+
+  return state
+    .transform()
+    .deleteForwardAtRange(range)
+    .apply()
+}

test/transforms/fixtures/at-range/delete-forward-at-range/join-blocks-with-inline-void/input.yaml

@@ -0,0 +1,17 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: ""
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: ""
+      - kind: inline
+        type: emoji
+        isVoid: true
+      - kind: text
+        text: ""

test/transforms/fixtures/at-range/delete-forward-at-range/join-blocks-with-inline-void/output.yaml

@@ -0,0 +1,12 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes:
+      - kind: text
+        text: ""
+      - kind: inline
+        type: emoji
+        isVoid: true
+      - kind: text
+        text: ""