add missing trailing new line

Author: ptravers

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;