Increase timeout for `test_random_blocks` (#50724) (cherry-pick to stable) (#50726)

zed-zippy[bot] and Cole Miller created 

Cherry-pick of #50724 to stable

----
See https://github.com/zed-industries/zed/actions/runs/22679055818

Release Notes:

- N/A

Co-authored-by: Cole Miller <cole@zed.dev>

Change summary

.config/nextest.toml | 4 ++++
1 file changed, 4 insertions(+)

Detailed changes

.config/nextest.toml 🔗 

@@ -42,3 +42,7 @@ slow-timeout = { period = "300s", terminate-after = 1 }
 [[profile.default.overrides]]
 filter =  'package(editor) and test(test_random_split_editor)'
 slow-timeout = { period = "300s", terminate-after = 1 }
+
+[[profile.default.overrides]]
+filter =  'package(editor) and test(test_random_blocks)'
+slow-timeout = { period = "300s", terminate-after = 1 }