project: Activate `buffer_diff/test-support` in `test-support` (#24739)

Piotr Osiewicz created

Closes #ISSUE

Release Notes:

- N/A

Change summary

crates/project/Cargo.toml | 1 +
1 file changed, 1 insertion(+)

Detailed changes

crates/project/Cargo.toml 🔗

@@ -14,6 +14,7 @@ doctest = false
 
 [features]
 test-support = [
+    "buffer_diff/test-support",
     "client/test-support",
     "language/test-support",
     "settings/test-support",