Fix doubled `"` in `ChangeSetTests >> #test_misc_package_02a`
...causing test to fail.
--- a/RegressionTests__ChangeSetTests.st Wed Jun 30 13:45:31 2021 +0100
+++ b/RegressionTests__ChangeSetTests.st Wed Jun 30 13:55:16 2021 +0100
@@ -2388,7 +2388,7 @@
When reading class fileout, all methods should have package set, however...
"
| cs |
- cs := ChangeSet fromStream:'""{ Encoding: utf8 }"
+ cs := ChangeSet fromStream:'"{ Encoding: utf8 }"
''From Smalltalk/X, Version:6.2.4.0 on 05-08-2014 at 10:57:51'' !!