Clean up imports in cucumber features

Reorder and simplify imports in testing/cucumber feature files: remove noqa comments in environment.py, import parallel_support consistently, remove an unused os import in parallel_support.py, and consolidate/add parallel_support imports in step definition modules to satisfy linters and remove redundancy.

testing/cucumber/features/environment.py

@@ -5,8 +5,8 @@ import sys
 import requests
 
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), "steps"))
-import job_support  # noqa: E402
-import parallel_support  # noqa: E402
+import job_support
+import parallel_support
 
 _BASE_URL = "http://localhost:8080"
 _CONTAINER_NAME = os.environ.get("TEST_CONTAINER_NAME", "")

testing/cucumber/features/steps/parallel_step_definitions.py

@@ -1,8 +1,7 @@
 """Concurrency steps, usable either before the request or after it."""
 
-from behave import given, then, when
-
 import parallel_support
+from behave import given, then, when
 
 
 def _set_repeat(context, count, decoy=False):

testing/cucumber/features/steps/parallel_support.py

@@ -2,7 +2,6 @@
 
 import io
 import json as json_module
-import os
 import re
 import sys
 import zipfile

testing/cucumber/features/steps/step_definitions.py

@@ -7,6 +7,7 @@ import re
 import string
 import zipfile
 
+import parallel_support
 import requests
 from behave import given, then, when
 from PIL import Image, ImageDraw
@@ -16,8 +17,6 @@ from reportlab.lib.pagesizes import letter
 from reportlab.lib.utils import ImageReader
 from reportlab.pdfgen import canvas
 
-import parallel_support
-
 API_HEADERS = {"X-API-KEY": "123456789"}
 
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