tests(test_builder) Remove tmux < 3.0 skip and delete obsolete test

- Remove skip marker from test_environment_variables (was for tmux < 3.0)
- Delete test_environment_variables_warns_prior_to_tmux_3_0 entirely
  (tested warning behavior that no longer exists)

Author: tony

tests/workspace/test_builder.py

@@ -386,10 +386,6 @@ def f(w: Window) -> bool:
         assert w.name != "top"
 
 
-@pytest.mark.skipif(
-    has_lt_version("3.0"),
-    reason="needs -e flag for new-window and split-window introduced in tmux 3.0",
-)
 def test_environment_variables(
     session: Session,
 ) -> None:
@@ -431,58 +427,6 @@ def test_environment_variables(
     assert pane.capture_pane()[1] == "PANE"
 
 
-@pytest.mark.skipif(
-    has_gte_version("3.0"),
-    reason="warnings are not needed for tmux >= 3.0",
-)
-def test_environment_variables_warns_prior_to_tmux_3_0(
-    session: Session,
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """Warns when environmental variables cannot be set prior to tmux 3.0."""
-    workspace = ConfigReader._from_file(
-        test_utils.get_workspace_file("workspace/builder/environment_vars.yaml"),
-    )
-    workspace = loader.expand(workspace)
-
-    builder = WorkspaceBuilder(session_config=workspace, server=session.server)
-    builder.build(session)
-
-    # environment on sessions should work as this is done using set-environment
-    # on the session itself
-    assert session.getenv("FOO") == "SESSION"
-    assert session.getenv("PATH") == "/tmp"
-
-    assert (
-        sum(
-            1
-            for record in caplog.records
-            if "Cannot set environment for new windows." in record.message
-        )
-        # From window_overrides and both_overrides, but not
-        # both_overrides_in_first_pane.
-        == 2
-    ), "Warning on creating windows missing"
-    assert (
-        sum(
-            1
-            for record in caplog.records
-            if "Cannot set environment for new panes." in record.message
-        )
-        # From pane_overrides and both_overrides, but not both_overrides_in_first_pane.
-        == 2
-    ), "Warning on creating panes missing"
-    assert (
-        sum(
-            1
-            for record in caplog.records
-            if "Cannot set environment for new panes and windows." in record.message
-        )
-        # From both_overrides_in_first_pane.
-        == 1
-    )
-
-
 def test_automatic_rename_option(
     server: Server,
     monkeypatch: pytest.MonkeyPatch,