fix(Snapshot): add cwd replacement for snapshots so it works in CI

Author: zak-cloudnc

test/snapshots/test.ts.md

@@ -6,7 +6,7 @@ Generated by [AVA](https://ava.li).
 
 ## it edits the file in place, embedding code snippets
 
-> File content matches
+> File content does not match
 
     `# File types␊
     ␊
@@ -525,7 +525,7 @@ Generated by [AVA](https://ava.li).
     ```␊
     `
 
-> stdout matches
+> stdout does not match
 
     `Embedding...␊
     Skipped 0 files ignored in '.gitignore'␊
@@ -572,15 +572,15 @@ Generated by [AVA](https://ava.li).
        test/fixtures/fixture-in-place.md#L461-L463 Unsupported file extension [binary], supported extensions are txt, ts, js, scss, rust, java, cpp, c, html, xml, md, yaml, json, json5, py, bash, sh, go, objectivec, php, cs, swift, rb, kotlin, scala, cr, puml, mermaid, cmake, proto, sql, hs, skipping code block␊
        test/fixtures/fixture-in-place.md#L467-L469 No code extension detected, skipping code block...␊
        test/fixtures/fixture-in-place.md#L473-L475 No comment detected in first line for block with extension ts␊
-       test/fixtures/fixture-in-place.md#L479-L481 Found filename also-not-a-file in comment in first line, but file does not exist at /Users/zak/repos/embedme/test/fixtures/also-not-a-file!␊
-       test/fixtures/fixture-in-place.md#L485-L487 Found filename this-file-does-not-exist.txt in comment in first line, but file does not exist at /Users/zak/repos/embedme/test/fixtures/this-file-does-not-exist.txt!␊
-       test/fixtures/fixture-in-place.md#L491-L493 Found filename contains-codefence.md in comment in first line, but file does not exist at /Users/zak/repos/embedme/test/fixtures/contains-codefence.md!␊
-       test/fixtures/fixture-in-place.md#L497-L503 Found filename contains-codefence.md in comment in first line, but file does not exist at /Users/zak/repos/embedme/test/fixtures/contains-codefence.md!␊
+       test/fixtures/fixture-in-place.md#L479-L481 Found filename also-not-a-file in comment in first line, but file does not exist at ${cwd}/test/fixtures/also-not-a-file!␊
+       test/fixtures/fixture-in-place.md#L485-L487 Found filename this-file-does-not-exist.txt in comment in first line, but file does not exist at ${cwd}/test/fixtures/this-file-does-not-exist.txt!␊
+       test/fixtures/fixture-in-place.md#L491-L493 Found filename contains-codefence.md in comment in first line, but file does not exist at ${cwd}/test/fixtures/contains-codefence.md!␊
+       test/fixtures/fixture-in-place.md#L497-L503 Found filename contains-codefence.md in comment in first line, but file does not exist at ${cwd}/test/fixtures/contains-codefence.md!␊
        test/fixtures/fixture-in-place.md#L507-L509 Incorrectly formatted line numbering string snippets/sample.ts#L1-2, Expecting Github formatting e.g. #L10-L20␊
        test/fixtures/fixture-in-place.md#L513-L515 Code block is empty & no preceding embedme comment, skipping...␊
       Writing test/fixtures/fixture-in-place.md with embedded changes.␊
     `
 
-> stderr matches
+> stderr does not match
 
     ''

test/snapshots/test.ts.snap

@@ -5,6 +5,10 @@ import * as util from 'util';
 
 const execAsync = util.promisify(exec);
 
+function stripCwd(str: string): string {
+  return str.replace(new RegExp(process.cwd(), 'g'), '${cwd}');
+}
+
 // @see https://github.com/tj/commander.js/issues/561
 test.failing('it aborts on unrecognised flags', async t => {
   await t.throwsAsync(() => execAsync(`node dist/embedme.js test/fixtures/fixture.md --this-is-not-a-valid-flag`));
@@ -42,9 +46,9 @@ test('it edits the file in place, embedding code snippets', async t => {
   // these assertions are expected to fail when output or supported files changes.
   // run yarn test:update to update the snapshots. This is useful in code reviews
   // to interpret what has changed in output.
-  t.snapshot(after, 'File content matches');
-  t.snapshot(stdout, 'stdout matches');
-  t.snapshot(stderr, 'stderr matches');
+  t.snapshot(after, 'File content does not match');
+  t.snapshot(stripCwd(stdout), 'stdout does not match');
+  t.snapshot(stderr, 'stderr does not match');
 });
 
 test('it does not change source file with --dry-run', async t => {