tests: make more robust

Author: hauntsaninja

tests/test_boost.py

@@ -11,7 +11,7 @@
 
 
 async def pause():
-    EPSILON = 0.001
+    EPSILON = 0.002
     await asyncio.sleep(EPSILON)
 
 
@@ -356,7 +356,6 @@ async def iterator() -> AsyncIterator[int]:
         assert results == []
         await pause()
         await pause()
-        await pause()
         assert results == list(range(2 * 10 + 1))
 
         assert await eager_it.blocking_dequeue() == 0

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 skipsdist = True
-envlist = py37, py39, py310, lint, mypy
+envlist = py37, py38, py39, py310, lint, mypy
 
 [testenv]
 deps = pytest
@@ -13,6 +13,8 @@ commands =
     coverage html
 
 [testenv:lint]
+deps =
+    typing-extensions
 commands_pre =
     bash -c 'poetry export --dev --without-hashes -f requirements.txt | pip install --quiet --no-deps -r /dev/stdin'
 commands =