Add schedule for regression tests instead of list of tests in the REGRESS

variable.
The real reason is to successfully pass the statement_timeout test in very slow
environments.
We must inialize REGRESS. So, add an empty dummy test just to define the
variable. regress_schedule contains the full list of real tests. So all changes
for real tests will be made in a general way in regress_schedule.

Authors: a.lepikhov, m.polyakova.

Author: danolivo

Makefile

@@ -11,25 +11,10 @@ OBJS = $(WIN32RES) \
 
 TAP_TESTS = 1
 
-REGRESS =	aqo_disabled \
-			aqo_controlled \
-			aqo_intelligent \
-			aqo_forced \
-			aqo_learn \
-			schema \
-			aqo_fdw \
-			aqo_CVE-2020-14350 \
-			gucs \
-			forced_stat_collection \
-			unsupported \
-			clean_aqo_data \
-			plancache	\
-			statement_timeout \
-			temp_tables \
-			top_queries \
-			relocatable\
-			look_a_like \
-			feature_subspace
+# Use an empty dummy test to define the variable REGRESS and therefore run all
+# regression tests. regress_schedule contains the full list of real tests.
+REGRESS = aqo_dummy_test
+REGRESS_OPTS = --schedule=$(srcdir)/regress_schedule
 
 fdw_srcdir = $(top_srcdir)/contrib/postgres_fdw
 stat_srcdir = $(top_srcdir)/contrib/pg_stat_statements

expected/aqo_dummy_test.out

@@ -0,0 +1,21 @@
+test: aqo_disabled
+test: aqo_controlled
+test: aqo_intelligent
+test: aqo_forced
+test: aqo_learn
+test: schema
+test: aqo_fdw
+test: aqo_CVE-2020-14350
+test: gucs
+test: forced_stat_collection
+test: unsupported
+test: clean_aqo_data
+test: plancache
+# Performance-dependent test. Can be ignored if executes in containers or on slow machines
+ignore: statement_timeout
+test: statement_timeout
+test: temp_tables
+test: top_queries
+test: relocatable
+test: look_a_like
+test: feature_subspace