Added missing reasons for crdb skip

Added check to make sure a reason must be passed.

1 files changed, 3 insertions, 0 deletions

diff --git a/tests/testutils.py b/tests/testutils.py
index 12b0bcf..58190fe 100644
--- a/tests/testutils.py
+++ b/tests/testutils.py
@@ -449,6 +449,9 @@ def skip_if_crdb(reason, conn=None):
 
     Or as a normal function if the *conn* argument is passed.
     """
+    if not isinstance(reason, str):
+        raise TypeError("reason should be a string, got %r instead" % reason)
+
     if conn is not None:
         if crdb_version(conn) is not None:
             raise unittest.SkipTest("not supported on CockroachDB: %s" % reason)