move test in schedule file; add schema to test

src/test/regress/expected/function_with_case_when.out

@@ -1,5 +1,7 @@
+CREATE SCHEMA function_with_case;
+SET search_path TO function_with_case;
 -- create function
-CREATE OR REPLACE FUNCTION public.test_err(v1 text)
+CREATE OR REPLACE FUNCTION test_err(v1 text)
  RETURNS text
  LANGUAGE plpgsql
  SECURITY DEFINER
@@ -14,13 +16,13 @@ do $$ declare
  val text;
 begin
  val = 'test';
- lNewValues = public.test_err(v1 => case when val::text = 'test'::text then 'yes' else 'no' end);
+ lNewValues = test_err(v1 => case when val::text = 'test'::text then 'yes' else 'no' end);
  raise notice 'lNewValues= %', lNewValues;
 end;$$ ;
 NOTICE:  lNewValues= yes - ok
 CONTEXT:  PL/pgSQL function inline_code_block line XX at RAISE
 -- call function
-SELECT public.test_err('test');
+SELECT test_err('test');
  test_err
 ---------------------------------------------------------------------
  test - ok

src/test/regress/multi_schedule

@@ -110,6 +110,7 @@ test: run_command_on_all_nodes
 test: background_task_queue_monitor
 test: other_databases grant_role_from_non_maindb role_operations_from_non_maindb seclabel_non_maindb
 test: citus_internal_access
+test: function_with_case_when
 
 # Causal clock test
 test: clock
@@ -134,5 +135,3 @@ test: check_mx
 test: generated_identity
 test: drop_database
 test: check_cluster_state
-
-test: function_with_case_when

src/test/regress/sql/function_with_case_when.sql

@@ -1,5 +1,8 @@
+CREATE SCHEMA function_with_case;
+SET search_path TO function_with_case;
+
 -- create function
-CREATE OR REPLACE FUNCTION public.test_err(v1 text)
+CREATE OR REPLACE FUNCTION test_err(v1 text)
  RETURNS text
  LANGUAGE plpgsql
  SECURITY DEFINER
@@ -14,9 +17,9 @@ do $$ declare
  val text;
 begin 
  val = 'test';
- lNewValues = public.test_err(v1 => case when val::text = 'test'::text then 'yes' else 'no' end);
+ lNewValues = test_err(v1 => case when val::text = 'test'::text then 'yes' else 'no' end);
  raise notice 'lNewValues= %', lNewValues;
 end;$$ ;
 
 -- call function
-SELECT public.test_err('test');
+SELECT test_err('test');