add tests

Author: aduh95

test.js

@@ -101,3 +101,18 @@ test('test blank commit-url', (t) => {
 `)
   t.end()
 })
+
+test('test backtick strings in commit messages', (t) => {
+  t.equal(
+    exec('--start-ref=a1a35b347d --end-ref=7dd44cde43 --filter-release --commit-url=https://yeehaw.com/{ref}/{ref}/{ghUser}/{ghRepo}/'),
+    `* [[\`7dd44cde43\`](https://yeehaw.com/7dd44cde43/7dd44cde43/nodejs/changelog-maker/)] - \\\`test\\\`: commit\\_msg starting with a \\\`backtick\\\` string (Antoine du Hamel)
+* [[\`6a98e28b2e\`](https://yeehaw.com/6a98e28b2e/6a98e28b2e/nodejs/changelog-maker/)] - **test**: \`commit_msg\` with a backtick string (Antoine du Hamel)
+* [[\`19a0817ce5\`](https://yeehaw.com/19a0817ce5/19a0817ce5/nodejs/changelog-maker/)] - **test**: commit\\_msg with a \\\\\\\` backtick char (Antoine du Hamel)
+* [[\`f5d9239ced\`](https://yeehaw.com/f5d9239ced/f5d9239ced/nodejs/changelog-maker/)] - **test**: commit\\_msg with \\\`backtick\\\\\\\` string (Antoine du Hamel)
+* [[\`aa0e1f07ea\`](https://yeehaw.com/aa0e1f07ea/aa0e1f07ea/nodejs/changelog-maker/)] - **test**: commit\\_msg with \\\`\\\`backtick \\\` string\\\`\\\` (Antoine du Hamel)
+* [[\`263cbd4cfa\`](https://yeehaw.com/263cbd4cfa/263cbd4cfa/nodejs/changelog-maker/)] - **test**: commit\\_msg with \`back_tick\` string (Antoine du Hamel)
+* [[\`3668c3b88c\`](https://yeehaw.com/3668c3b88c/3668c3b88c/nodejs/changelog-maker/)] - **test**: commit\\_msg with \`backtick\` string (Antoine du Hamel)
+* [[\`a1a35b347d\`](https://yeehaw.com/a1a35b347d/a1a35b347d/nodejs/changelog-maker/)] - **feat**: improve support of backtick strings (Antoine du Hamel)`
+  )
+  t.end()
+})