diff --git a/xtask/src/publish/notes.rs b/xtask/src/publish/notes.rs
index 03c0b6a0c6..3584278c19 100644
--- a/xtask/src/publish/notes.rs
+++ b/xtask/src/publish/notes.rs
@@ -573,185 +573,13 @@ impl Macro {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use std::fs::read_to_string;
 
     #[test]
     fn test_asciidoc_to_markdown_conversion() {
-        let input = "\
-= Changelog #256
-:sectanchors:
-:page-layout: post
-
-Hello!
-
-Commit: commit:0123456789abcdef0123456789abcdef01234567[] +
-Release: release:2022-01-01[]
-
-== New Features
-
-* **BREAKING** pr:1111[] shortcut kbd:[ctrl+r]
-- hyphen-prefixed list item
-* nested list item
-** `foo` -> `foofoo`
-** `bar` -> `barbar`
-* listing in the secondary level
-. install
-. add to config
-+
-[source,json]
-----
-{\"foo\":\"bar\"}
-----
-* list item with continuation
-+
-image::https://example.com/animation.gif[]
-+
-image::https://example.com/animation.gif[\"alt text\"]
-+
-video::https://example.com/movie.mp4[options=loop]
-+
-video::https://example.com/movie.mp4[options=\"autoplay,loop\"]
-+
-.Image
-image::https://example.com/animation.gif[]
-+
-.Video
-video::https://example.com/movie.mp4[options=loop]
-+
-[source,bash]
-----
-rustup update nightly
-----
-+
-----
-This is a plain listing.
-----
-* single line item followed by empty lines
-
-* multiline list
-item followed by empty lines
-
-* multiline list
-  item with indent
-
-* multiline list
-item not followed by empty lines
-* multiline list
-item followed by different marker
-** foo
-** bar
-* multiline list
-item followed by list continuation
-+
-paragraph
-paragraph
-
-== Another Section
-
-* foo bar baz
-* list item with an inline image
-  image:https://example.com/animation.gif[]
-
-The highlight of the month is probably pr:1111[].
-See https://example.com/manual[online manual] for more information.
-
-[source,bash]
-----
-rustup update nightly
-----
-
-[source]
-----
-rustup update nightly
-----
-
-----
-This is a plain listing.
-----
-";
-        let expected = "\
-# Changelog #256
-
-Hello!
-
-Commit: [`0123456`](https://github.com/rust-analyzer/rust-analyzer/commit/0123456789abcdef0123456789abcdef01234567) \\
-Release: [`2022-01-01`](https://github.com/rust-analyzer/rust-analyzer/releases/2022-01-01)
-
-## New Features
-
-- **BREAKING** [`#1111`](https://github.com/rust-analyzer/rust-analyzer/pull/1111) shortcut <kbd>ctrl</kbd>+<kbd>r</kbd>
-  - hyphen-prefixed list item
-- nested list item
-  - `foo` -> `foofoo`
-  - `bar` -> `barbar`
-- listing in the secondary level
-  1. install
-  1. add to config
-
-     ```json
-     {\"foo\":\"bar\"}
-     ```
-- list item with continuation
-
-  ![](https://example.com/animation.gif)
-
-  ![alt text](https://example.com/animation.gif)
-
-  <video src=\"https://example.com/movie.mp4\" controls loop>Your browser does not support the video tag.</video>
-
-  <video src=\"https://example.com/movie.mp4\" autoplay controls loop>Your browser does not support the video tag.</video>
-
-  _Image_\\
-  ![](https://example.com/animation.gif)
-
-  _Video_\\
-  <video src=\"https://example.com/movie.mp4\" controls loop>Your browser does not support the video tag.</video>
-
-  ```bash
-  rustup update nightly
-  ```
-
-  ```
-  This is a plain listing.
-  ```
-- single line item followed by empty lines
-- multiline list
-  item followed by empty lines
-- multiline list
-  item with indent
-- multiline list
-  item not followed by empty lines
-- multiline list
-  item followed by different marker
-  - foo
-  - bar
-- multiline list
-  item followed by list continuation
-
-  paragraph
-  paragraph
-
-## Another Section
-
-- foo bar baz
-- list item with an inline image
-  ![](https://example.com/animation.gif)
-
-The highlight of the month is probably [`#1111`](https://github.com/rust-analyzer/rust-analyzer/pull/1111).
-See [online manual](https://example.com/manual) for more information.
-
-```bash
-rustup update nightly
-```
-
-```
-rustup update nightly
-```
-
-```
-This is a plain listing.
-```
-";
-        let actual = convert_asciidoc_to_markdown(std::io::Cursor::new(input)).unwrap();
+        let input = read_to_string("test_data/input.adoc").unwrap();
+        let expected = read_to_string("test_data/expected.md").unwrap();
+        let actual = convert_asciidoc_to_markdown(std::io::Cursor::new(&input)).unwrap();
 
         assert_eq!(actual, expected);
     }
diff --git a/xtask/test_data/expected.md b/xtask/test_data/expected.md
new file mode 100644
index 0000000000..19c940c67b
--- /dev/null
+++ b/xtask/test_data/expected.md
@@ -0,0 +1,81 @@
+# Changelog #256
+
+Hello!
+
+Commit: [`0123456`](https://github.com/rust-analyzer/rust-analyzer/commit/0123456789abcdef0123456789abcdef01234567) \
+Release: [`2022-01-01`](https://github.com/rust-analyzer/rust-analyzer/releases/2022-01-01)
+
+## New Features
+
+- **BREAKING** [`#1111`](https://github.com/rust-analyzer/rust-analyzer/pull/1111) shortcut <kbd>ctrl</kbd>+<kbd>r</kbd>
+  - hyphen-prefixed list item
+- nested list item
+  - `foo` -> `foofoo`
+  - `bar` -> `barbar`
+- listing in the secondary level
+  1. install
+  1. add to config
+
+     ```json
+     {"foo":"bar"}
+     ```
+- list item with continuation
+
+  ![](https://example.com/animation.gif)
+
+  ![alt text](https://example.com/animation.gif)
+
+  <video src="https://example.com/movie.mp4" controls loop>Your browser does not support the video tag.</video>
+
+  <video src="https://example.com/movie.mp4" autoplay controls loop>Your browser does not support the video tag.</video>
+
+  _Image_\
+  ![](https://example.com/animation.gif)
+
+  _Video_\
+  <video src="https://example.com/movie.mp4" controls loop>Your browser does not support the video tag.</video>
+
+  ```bash
+  rustup update nightly
+  ```
+
+  ```
+  This is a plain listing.
+  ```
+- single line item followed by empty lines
+- multiline list
+  item followed by empty lines
+- multiline list
+  item with indent
+- multiline list
+  item not followed by empty lines
+- multiline list
+  item followed by different marker
+  - foo
+  - bar
+- multiline list
+  item followed by list continuation
+
+  paragraph
+  paragraph
+
+## Another Section
+
+- foo bar baz
+- list item with an inline image
+  ![](https://example.com/animation.gif)
+
+The highlight of the month is probably [`#1111`](https://github.com/rust-analyzer/rust-analyzer/pull/1111).
+See [online manual](https://example.com/manual) for more information.
+
+```bash
+rustup update nightly
+```
+
+```
+rustup update nightly
+```
+
+```
+This is a plain listing.
+```
diff --git a/xtask/test_data/input.adoc b/xtask/test_data/input.adoc
new file mode 100644
index 0000000000..105bd8df0d
--- /dev/null
+++ b/xtask/test_data/input.adoc
@@ -0,0 +1,90 @@
+= Changelog #256
+:sectanchors:
+:page-layout: post
+
+Hello!
+
+Commit: commit:0123456789abcdef0123456789abcdef01234567[] +
+Release: release:2022-01-01[]
+
+== New Features
+
+* **BREAKING** pr:1111[] shortcut kbd:[ctrl+r]
+- hyphen-prefixed list item
+* nested list item
+** `foo` -> `foofoo`
+** `bar` -> `barbar`
+* listing in the secondary level
+. install
+. add to config
++
+[source,json]
+----
+{"foo":"bar"}
+----
+* list item with continuation
++
+image::https://example.com/animation.gif[]
++
+image::https://example.com/animation.gif["alt text"]
++
+video::https://example.com/movie.mp4[options=loop]
++
+video::https://example.com/movie.mp4[options="autoplay,loop"]
++
+.Image
+image::https://example.com/animation.gif[]
++
+.Video
+video::https://example.com/movie.mp4[options=loop]
++
+[source,bash]
+----
+rustup update nightly
+----
++
+----
+This is a plain listing.
+----
+* single line item followed by empty lines
+
+* multiline list
+item followed by empty lines
+
+* multiline list
+  item with indent
+
+* multiline list
+item not followed by empty lines
+* multiline list
+item followed by different marker
+** foo
+** bar
+* multiline list
+item followed by list continuation
++
+paragraph
+paragraph
+
+== Another Section
+
+* foo bar baz
+* list item with an inline image
+  image:https://example.com/animation.gif[]
+
+The highlight of the month is probably pr:1111[].
+See https://example.com/manual[online manual] for more information.
+
+[source,bash]
+----
+rustup update nightly
+----
+
+[source]
+----
+rustup update nightly
+----
+
+----
+This is a plain listing.
+----