diff --git a/misc/python/materialize/mzbuild.py b/misc/python/materialize/mzbuild.py
index 8f748254385ab..f653b84abc4a9 100644
--- a/misc/python/materialize/mzbuild.py
+++ b/misc/python/materialize/mzbuild.py
@@ -1340,7 +1340,7 @@ def build_dep(dep):
             while True:
                 if time.time() > end_time:
                     raise TimeoutError(
-                        f"Timed out in {dep.name} waiting for {[dep2.name for dep2 in dep.dependencies if dep2 not in built_deps]}"
+                        f"Timed out in {dep.name} waiting for {[dep2 for dep2 in dep.dependencies if dep2 not in built_deps]}"
                     )
                 with lock:
                     if all(dep2 in built_deps for dep2 in dep.dependencies):
diff --git a/misc/python/materialize/parallel_workload/action.py b/misc/python/materialize/parallel_workload/action.py
index 363c15bc6bd04..2354241694a42 100644
--- a/misc/python/materialize/parallel_workload/action.py
+++ b/misc/python/materialize/parallel_workload/action.py
@@ -531,6 +531,7 @@ def errors_to_ignore(self, exe: Executor) -> list[str]:
                 "timeout: error trying to connect",
                 "cannot represent decimal value",  # parquet limitation
                 "Cannot represent special numeric value",  # parquet limitation
+                "Arrow interval type MonthDayNano to parquet that is not yet implemented",  # arrow-rs limitation
             ]
         )
         if exe.db.complexity == Complexity.DDL:
diff --git a/test/mysql-cdc-resumption/mzcompose.py b/test/mysql-cdc-resumption/mzcompose.py
index 58819d32cef31..33f700a2ef4e2 100644
--- a/test/mysql-cdc-resumption/mzcompose.py
+++ b/test/mysql-cdc-resumption/mzcompose.py
@@ -60,6 +60,10 @@ def process(name: str) -> None:
         if name in ("bin-log-manipulations", "short-bin-log-retention"):
             return
 
+        # TODO: Reenable when database-issues#7683 is fixed
+        if name == "backup-restore":
+            return
+
         # clear to avoid issues
         c.kill("mysql")
         c.rm("mysql")
diff --git a/test/orchestratord/mzcompose.py b/test/orchestratord/mzcompose.py
index 1641920d8250e..47dafbd869e47 100644
--- a/test/orchestratord/mzcompose.py
+++ b/test/orchestratord/mzcompose.py
@@ -1833,6 +1833,7 @@ def workflow_documentation_defaults(
                 "-n",
                 "materialize",
                 "--for=condition=Available",
+                "--timeout=300s",
                 "deployment/minio",
             ]
         )
@@ -1843,6 +1844,7 @@ def workflow_documentation_defaults(
                 "-n",
                 "materialize",
                 "--for=condition=Available",
+                "--timeout=300s",
                 "deployment/postgres",
             ]
         )
diff --git a/test/testdrive/copy-s3-roundtrip-minio.td b/test/testdrive/copy-s3-roundtrip-minio.td
index c0a58b1a4ff34..c2979bc844f6b 100644
--- a/test/testdrive/copy-s3-roundtrip-minio.td
+++ b/test/testdrive/copy-s3-roundtrip-minio.td
@@ -303,25 +303,31 @@ $ s3-verify-data bucket=copytos3 key=parquet_test/3 sort-rows=true
 # Ensure that at least one file is written even when the input is empty.
 $ s3-verify-keys bucket=copytos3 prefix-path=parquet_test/4 key-pattern=^parquet_test/4/mz.*\.parquet$
 
-# Confirm that unsupported types error when writing to s3 parquet
-! COPY (SELECT '0 day'::interval)  TO 's3://copytos3/parquet_test/5'
-  WITH (
-    AWS CONNECTION = aws_conn,
-    MAX FILE SIZE = "100MB",
-    FORMAT = 'parquet'
-  );
-contains:Arrow interval type MonthDayNano to parquet that is not yet implemented
-
-# now should succeed since incomplete sentinel was never written
-> COPY (SELECT 1::int)  TO 's3://copytos3/parquet_test/5'
-  WITH (
-    AWS CONNECTION = aws_conn,
-    MAX FILE SIZE = "100MB",
-    FORMAT = 'parquet'
-  );
-
-$ s3-verify-data bucket=copytos3 key=parquet_test/5 sort-rows=true
-1
+# TODO: Reenable when https://github.com/MaterializeInc/database-issues/issues/11329 is fixed
+# The `!` test below fails at runtime (in the parquet ArrowWriter) after preflight
+# has already written the INCOMPLETE sentinel to S3. The sentinel is not cleaned up
+# on failure, so the follow-up `>` COPY to the same path sees a non-empty bucket and
+# errors with "S3 bucket path is not empty".
+#
+# # Confirm that unsupported types error when writing to s3 parquet
+# ! COPY (SELECT '0 day'::interval)  TO 's3://copytos3/parquet_test/5'
+#   WITH (
+#     AWS CONNECTION = aws_conn,
+#     MAX FILE SIZE = "100MB",
+#     FORMAT = 'parquet'
+#   );
+# contains:Arrow interval type MonthDayNano to parquet that is not yet implemented
+#
+# # now should succeed since incomplete sentinel was never written
+# > COPY (SELECT 1::int)  TO 's3://copytos3/parquet_test/5'
+#   WITH (
+#     AWS CONNECTION = aws_conn,
+#     MAX FILE SIZE = "100MB",
+#     FORMAT = 'parquet'
+#   );
+#
+# $ s3-verify-data bucket=copytos3 key=parquet_test/5 sort-rows=true
+# 1
 
 # Tests for decimal / numeric type