Try to unmark tests as flaky (#2268)

requirements-dev.txt

@@ -2,7 +2,6 @@ docker
 plumbum
 pre-commit
 pytest
-pytest-retry
 # `pytest-xdist` is a plugin that provides the `--numprocesses` flag,
 # allowing us to run `pytest` tests in parallel
 pytest-xdist

tests/by_image/all-spark-notebook/test_spark_r_nbconvert.py

@@ -12,7 +12,6 @@ LOGGER = logging.getLogger(__name__)
 THIS_DIR = Path(__file__).parent.resolve()
 
 
-@pytest.mark.flaky(retries=3, delay=1)
 @pytest.mark.parametrize(
     "test_file,expected_warnings",
     [

tests/by_image/docker-stacks-foundation/test_user_options.py

@@ -216,7 +216,7 @@ def test_container_not_delete_bind_mount(
     host_file.write_text("some-content")
 
     container.run_and_wait(
-        timeout=5,
+        timeout=10,
         user="root",
         working_dir="/home/",
         environment=[

tests/by_image/pyspark-notebook/test_spark_nbconvert.py

@@ -12,7 +12,6 @@ LOGGER = logging.getLogger(__name__)
 THIS_DIR = Path(__file__).parent.resolve()
 
 
-@pytest.mark.flaky(retries=3, delay=1)
 @pytest.mark.parametrize(
     "test_file",
     ["issue_1168", "local_pyspark"],