Fomatting fix in tests

tsl/test/expected/cagg_refresh.out

@@ -489,7 +489,7 @@ SELECT time_bucket('7 days', time) AS day, device, avg(temp) AS avg_temp
 FROM conditions
 GROUP BY 1,2 WITH NO DATA;
 COMMIT;
--- refresh_continuous_aggregate can run two transactions, thus it cannot be 
+-- refresh_continuous_aggregate can run two transactions, thus it cannot be
 -- called in a transaction block (from a function, from dynamic SQL) or in a
 -- subtransaction (from a procedure block with an EXCEPTION clause). Though it
 -- does NOT require a top level context and can be called from a procedure

tsl/test/expected/cagg_refresh_using_merge.out

@@ -490,7 +490,7 @@ SELECT time_bucket('7 days', time) AS day, device, avg(temp) AS avg_temp
 FROM conditions
 GROUP BY 1,2 WITH NO DATA;
 COMMIT;
--- refresh_continuous_aggregate can run two transactions, thus it cannot be 
+-- refresh_continuous_aggregate can run two transactions, thus it cannot be
 -- called in a transaction block (from a function, from dynamic SQL) or in a
 -- subtransaction (from a procedure block with an EXCEPTION clause). Though it
 -- does NOT require a top level context and can be called from a procedure

tsl/test/sql/include/cagg_refresh_common.sql

@@ -307,7 +307,7 @@ FROM conditions
 GROUP BY 1,2 WITH NO DATA;
 COMMIT;
 
--- refresh_continuous_aggregate can run two transactions, thus it cannot be 
+-- refresh_continuous_aggregate can run two transactions, thus it cannot be
 -- called in a transaction block (from a function, from dynamic SQL) or in a
 -- subtransaction (from a procedure block with an EXCEPTION clause). Though it
 -- does NOT require a top level context and can be called from a procedure