diff --git a/tests/clickhouse-test b/tests/clickhouse-test
index b0003e1403e8..6edf78412bc9 100755
--- a/tests/clickhouse-test
+++ b/tests/clickhouse-test
@@ -966,6 +966,7 @@ class FailureReason(enum.Enum):
     NO_STATEFUL = "no-stateful"
     NO_OPENSSL_FIPS = "no-openssl-fips"
     ENCRYPTED_STORAGE = "encrypted-storage"
+    OLD_ANALYZER = "old-analyzer"
 
     # UNKNOWN reasons
     NO_REFERENCE = "no reference file"
@@ -1548,6 +1549,9 @@ class TestCase:
         if "no-parallel-replicas" in tags and args.no_parallel_replicas:
             return FailureReason.NO_PARALLEL_REPLICAS
 
+        if "no-old-analyzer" in tags and is_old_analyzer_used(args):
+            return FailureReason.OLD_ANALYZER
+
         if "no-async-insert" in tags and args.no_async_insert:
             return FailureReason.NO_ASYNC_INSERT
 
diff --git a/tests/queries/0_stateless/04326_parquet_v3_geoparquet_wkb_alloc.sh b/tests/queries/0_stateless/04326_parquet_v3_geoparquet_wkb_alloc.sh
index ab20e680abd3..48d84da9acee 100755
--- a/tests/queries/0_stateless/04326_parquet_v3_geoparquet_wkb_alloc.sh
+++ b/tests/queries/0_stateless/04326_parquet_v3_geoparquet_wkb_alloc.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
-# Tags: no-fasttest
+# Tags: no-fasttest, no-ubsan
 # no-fasttest: needs pyarrow to write the GeoParquet file.
+# no-ubsan: memory tracking isn't reliably enforced in the standalone UBSan build (jemalloc off), so the oversized reserve isn't rejected. See Altinity/ClickHouse#2049.
 
 # Regression test for an untracked-allocation DoS in the Parquet V3 GeoParquet (WKB) reader.
 # The WKB reader took an element count straight off the wire and `reserve`d a std::vector of that
diff --git a/tests/queries/0_stateless/04340_datalake_schema_deep_recursion.sh b/tests/queries/0_stateless/04340_datalake_schema_deep_recursion.sh
index d52cda07da27..37851d627e3a 100755
--- a/tests/queries/0_stateless/04340_datalake_schema_deep_recursion.sh
+++ b/tests/queries/0_stateless/04340_datalake_schema_deep_recursion.sh
@@ -46,7 +46,8 @@ PYEOF
 
 # allow_experimental_delta_kernel_rs=0 selects the C++ metadata parser (the Rust kernel has its own
 # recursion limit). The deep schema must be rejected with a JSON exception, not crash the process.
-$CLICKHOUSE_LOCAL --query "DESCRIBE TABLE deltaLakeLocal('$TMP_DIR/dl') SETTINGS allow_experimental_delta_kernel_rs=0 FORMAT Null" 2>&1 \
+# allow_local_data_lakes=1 lifts the Altinity guard that otherwise disables the *Local table functions.
+$CLICKHOUSE_LOCAL --query "DESCRIBE TABLE deltaLakeLocal('$TMP_DIR/dl') SETTINGS allow_experimental_delta_kernel_rs=0, allow_local_data_lakes=1 FORMAT Null" 2>&1 \
     | expect_contains delta_depth JSONException
 
 # Iceberg parses the whole metadata JSON with Poco before any field validation, so a deeply nested
@@ -58,5 +59,5 @@ N = 2000
 open('$TMP_DIR/ice/metadata/v1.metadata.json', 'wb').write(b'{' + b'\"a\":{' * N + b'\"x\":1' + b'}' * N + b'}')
 open('$TMP_DIR/ice/metadata/version-hint.text', 'w').write('1')
 "
-$CLICKHOUSE_LOCAL --query "DESCRIBE TABLE icebergLocal('$TMP_DIR/ice') FORMAT Null" 2>&1 \
+$CLICKHOUSE_LOCAL --query "DESCRIBE TABLE icebergLocal('$TMP_DIR/ice') SETTINGS allow_local_data_lakes=1 FORMAT Null" 2>&1 \
     | expect_contains iceberg_depth JSONException