Tests: Decrease DELAY_BETWEEN_DOWNLOADS to zero

davidfstr · davidfstr · commit 862f75c7cbd7 · 2025-10-15T10:04:33.000-04:00
...because testing infrastructure no longer needs to race to observe
a download that completed quickly
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
@@ -16,6 +16,9 @@ Release Notes ⋮
     * macOS 14+ is now the minimum macOS version.
       Drop support for macOS 13.
 
+* Testing improvements
+    * Increased determinism and speed of tests that perform downloads.
+
 ### v2.0.0 (September 26, 2025)
 
 Crystal 2.0 is a huge release with many new features and all-new tutorials!
diff --git a/src/crystal/tests/util/downloads.py b/src/crystal/tests/util/downloads.py
@@ -13,9 +13,7 @@
 @contextmanager
 def delay_between_downloads_minimized() -> Iterator[None]:
     old_value = crystal.task.DELAY_BETWEEN_DOWNLOADS
-    # NOTE: Must be long enough so that download tasks stay around long enough
-    #       to be observed, but short enough to provide a speed boost
-    crystal.task.DELAY_BETWEEN_DOWNLOADS = 0.2
+    crystal.task.DELAY_BETWEEN_DOWNLOADS = 0
     try:
         yield
     finally:
