Enable running all tests via "installcheck"

NOTE: also makes CDB_TableMetadata triggers still functional
      when user quota and varnish invalidation functions are missing
      from the database (currently installed by cartodb ruby)

Makefile

@@ -9,9 +9,10 @@ CDBSCRIPTS = \
 
 DATA_built = $(EXTENSION)--$(EXTVERSION).sql 
 DOCS = README.md
-REGRESS_EXTENSION = test_ddl_triggers
-REGRESS_LEGACY = test/CDB_DigitSeparatorTest
-REGRESS = $(REGRESS_EXTENSION)
+REGRESS_NEW = test_ddl_triggers
+REGRESS_OLD = $(wildcard test/*.sql)
+REGRESS_LEGACY = $(REGRESS_OLD:.sql=)
+REGRESS = test_setup $(REGRESS_NEW) $(REGRESS_LEGACY)
 
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
@@ -24,3 +25,25 @@ $(EXTENSION)--$(EXTVERSION).sql: $(CDBSCRIPTS) cartodb_hooks.sql Makefile
         -e 's/:DATABASE_USERNAME/cdb_org_admin/g' >> $@
 	echo "GRANT USAGE ON SCHEMA cartodb TO public;" >> $@
 	cat cartodb_hooks.sql >> $@
+
+legacy_regress: $(REGRESS_OLD) Makefile
+	mkdir -p sql/test/
+	mkdir -p expected/test/
+	for f in $(REGRESS_OLD); do \
+    tn=`basename $${f} .sql`; \
+    of=sql/test/$${tn}.sql; \
+    echo '\\set ECHO off' > $${of}; \
+    echo '\\a' >> $${of}; \
+    echo '\\t' >> $${of}; \
+    echo '\\set QUIET off' >> $${of}; \
+    cat $${f} | \
+      sed -e 's/\<public\./cartodb./g' >> $${of}; \
+    exp=expected/test/$${tn}.out; \
+    echo '\\set ECHO off' > $${exp}; \
+    cat test/$${tn}_expect >> $${exp}; \
+  done
+
+legacy_tests: legacy_regress 
+
+installcheck: legacy_tests
+