chore: update noxfile (via synth) (#11)

Author: yoshi-automation

noxfile.py

@@ -110,8 +110,7 @@ def system(session):
 
     # Install all test dependencies, then install this package into the
     # virtualenv's dist-packages.
-    session.install("mock", "pytest")
-
+    session.install("mock", "pytest", "google-cloud-testutils")
     session.install("-e", ".")
 
     # Run py.test against the system tests.
@@ -139,7 +138,7 @@ def docs(session):
     """Build the docs for this library."""
 
     session.install("-e", ".")
-    session.install("sphinx", "alabaster", "recommonmark")
+    session.install("sphinx<3.0.0", "alabaster", "recommonmark")
 
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(

synth.metadata

@@ -1,11 +1,17 @@
 {
-  "updateTime": "2020-03-31T12:13:49.228648Z",
   "sources": [
+    {
+      "git": {
+        "name": ".",
+        "remote": "git@github.com:googleapis/python-runtimeconfig",
+        "sha": "fb3dc78a54500fe44713884e3119d5bfcfcff4d4"
+      }
+    },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "a003d8655d3ebec2bbbd5fc3898e91e152265c67"
+        "sha": "cdddf139b36000b3a7c65fd2a7781e253262359a"
       }
     }
   ]