chore: format external unit test dependencies (#30)

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Source-Link: googleapis/synthtool@6542bd7

packages/google-cloud-bigquery-connection/noxfile.py

@@ -72,7 +72,9 @@ def default(session):
     # Install all test dependencies, then install this package in-place.
     session.install("asyncmock", "pytest-asyncio")
 
-    session.install("mock", "pytest", "pytest-cov")
+    session.install(
+        "mock", "pytest", "pytest-cov",
+    )
     session.install("-e", ".")
 
     # Run py.test against the unit tests.

packages/google-cloud-bigquery-connection/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-bigquery-connection.git",
-        "sha": "78c63b04c8806efc05d18ba6bc301a769f222ee7"
+        "sha": "64eec3189a3261691acbc0726504376b4ea90255"
       }
     },
     {
@@ -19,14 +19,14 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "ea52b8a0bd560f72f376efcf45197fb7c8869120"
+        "sha": "6542bd723403513626f61642fc02ddca528409aa"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "ea52b8a0bd560f72f376efcf45197fb7c8869120"
+        "sha": "6542bd723403513626f61642fc02ddca528409aa"
       }
     }
   ],