chore: restore sqlalchemy-bigquery changes

Author: chalmerlowe

packages/sqlalchemy-bigquery/.coveragerc

@@ -22,7 +22,7 @@ omit =
   sqlalchemy_bigquery/requirements.py
 
 [report]
-fail_under = 100
+fail_under = 98
 show_missing = True
 exclude_lines =
     # Re-enable the standard pragma

packages/sqlalchemy-bigquery/noxfile.py

@@ -119,6 +119,16 @@
 }
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
+# Path to the centralized mypy configuration file at the repository root.
+# Search upwards to support running nox from both monorepo packages and integration test goldens.
+MYPY_CONFIG_FILE = next(
+    (
+        str(p / "mypy.ini")
+        for p in CURRENT_DIRECTORY.parents
+        if (p / "mypy.ini").exists()
+    ),
+    str(CURRENT_DIRECTORY.parent.parent / "mypy.ini"),
+)
 
 
 def _calculate_duration(func):
@@ -467,7 +477,7 @@ def cover(session):
     test runs (not system test runs), and then erases coverage data.
     """
     session.install("coverage", "pytest-cov")
-    session.run("coverage", "report", "--show-missing", "--fail-under=100")
+    session.run("coverage", "report", "--show-missing")
 
     session.run("coverage", "erase")