fix: address testing failures from initial generation (#1)

Co-authored-by: Tim Swast <swast@google.com>
Co-authored-by: Tres Seaver <tseaver@palladion.com>

packages/google-cloud-bigquery-migration/README.rst

@@ -1,5 +1,5 @@
 Python Client for Google Cloud Bigquery Migration API
-=================================================
+=====================================================
 
 Quick Start
 -----------

packages/google-cloud-bigquery-migration/setup.py

@@ -29,6 +29,10 @@
     name="google-cloud-bigquery-migration",
     version=version,
     long_description=readme,
+    author="Google LLC",
+    author_email="googleapis-packages@google.com",
+    license="Apache 2.0",
+    url="https://github.com/googleapis/python-bigquery-migration",
     packages=setuptools.PEP420PackageFinder.find(),
     namespace_packages=("google", "google.cloud", "google.cloud.bigquery"),
     platforms="Posix; MacOS X; Windows",

packages/google-cloud-bigquery-migration/testing/constraints-3.6.txt

@@ -0,0 +1,12 @@
+# This constraints file is used to check that lower bounds
+# are correct in setup.py
+# List *all* library dependencies and extras in this file.
+# Pin the version to the lower bound.
+#
+# e.g., if setup.py has "foo >= 1.14.0, < 2.0.0dev",
+# Then this file should have foo==1.14.0
+google-api-core==1.27.0
+google-auth==1.24.0  # TODO: remove when google-auth >= 1.25.0 is required transitively through google-api-core
+proto-plus==1.15.0
+libcst==0.2.5
+packaging==14.3