Another version of installcheck to run docker tests correctly

Makefile

@@ -22,18 +22,16 @@ include $(top_builddir)/src/Makefile.global
 include $(top_srcdir)/contrib/contrib-global.mk
 endif
 
+EXTRA_REGRESS_OPTS=--temp-config=$(top_srcdir)/$(subdir)/test.conf
+
 $(EXTENSION)--$(EXTVERSION).sql: init.sql
 	cat $^ > $@
 
 ISOLATIONCHECKS=corner_cases
 
 check: isolationcheck
 
-installcheck:
-	$(pg_isolation_regress_installcheck) $(ISOLATIONCHECKS)
-
-submake-isolation:
-	$(MAKE) -C $(top_builddir)/src/test/isolation all
+installcheck: isolationcheck-install-force
 
 isolationcheck: | submake-isolation temp-install
 	$(MKDIR_P) isolation_output
@@ -42,4 +40,14 @@ isolationcheck: | submake-isolation temp-install
       --outputdir=isolation_output \
 	$(ISOLATIONCHECKS)
 
+isolationcheck-install-force: all | submake-isolation submake-pg_query_state temp-install
+	$(pg_isolation_regress_installcheck) \
+	    $(ISOLATIONCHECKS)
+
+submake-isolation:
+	$(MAKE) -C $(top_builddir)/src/test/isolation all
+
+submake-pg_query_state:
+	$(MAKE) -C $(top_builddir)/contrib/pg_query_state
+
 temp-install: EXTRA_INSTALL=contrib/pg_query_state

run_tests.sh

@@ -138,17 +138,14 @@ fi
 # something's wrong, exit now!
 if [ $status -ne 0 ]; then cat /tmp/postgres.log; exit 1; fi
 
-cd $CUSTOM_PG_SRC
-
 # run regression tests
 export PG_REGRESS_DIFF_OPTS="-w -U3" # for alpine's diff (BusyBox)
-make -C $CUSTOM_PG_SRC/contrib/pg_query_state installcheck || status=$?
+cd $CUSTOM_PG_SRC/contrib/pg_query_state
+make installcheck || status=$?
 
 # show diff if it exists
 if [ -f regression.diffs ]; then cat regression.diffs; fi
 
-cd $CUSTOM_PG_SRC/contrib/pg_query_state
-
 # run python tests
 set +x -e
 python3 -m venv /tmp/env && source /tmp/env/bin/activate &&