fix pr feedback

Author: ptravers

ci/test/pipeline.template.yml

@@ -401,10 +401,10 @@ steps:
         depends_on: build-x86_64
         timeout_in_minutes: 30
         inputs: [test/sql-server-cdc-old-syntax]
-        parallelism: 2
+        parallelism: 3
         plugins:
           - ./ci/plugins/mzcompose:
-              composition: sql-server-cdc
+              composition: sql-server-cdc-old-syntax
         agents:
           # The SQL Server Docker image isn't available on ARM.
           #

test/sql-server-cdc-old-syntax/alter-table-after-source.td

@@ -320,4 +320,4 @@ DROP TABLE drop_table;
 # Table is dropped
 # TODO: This should fail
 # ! SELECT * FROM drop_table;
-# regex:(table was dropped|incompatible schema change)
+# regex:(table was dropped|incompatible schema change)

test/sql-server-cdc-old-syntax/alter-table-irrelevant.td

@@ -105,4 +105,4 @@ INSERT INTO irrelevant_table VALUES ('gh');
 1
 2
 
-> DROP SOURCE irrelevant_table CASCADE;
+> DROP SOURCE irrelevant_table CASCADE;