make: make default rule 'aggregate' in sharness

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>

test/sharness/Makefile

-SH := $(wildcard *.sh)
+# default target is to run all tests
+all: aggregate
+
+SH := $(wildcard t[0-9][0-9][0-9][0-9]-*.sh)
 
 .DEFAULT $(SH): ALWAYS
 	$(MAKE) -C ../.. test/sharness/$@
 
-ALWAYS: 
+ALWAYS:
 .PHONY: ALWAYS