test: mention need for proper configure first

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/README.md

@@ -10,10 +10,16 @@ be able to be launched as PID 1. Since it's also running with it's own root
 directory it will be able to function properly without having any super user
 privileges in the host environment.
 
+
 Running tests
 -------------
 
-To run the test suite, first [build](../doc/build.md) Finit - then simply run:
+To run the test suite, first [build](../doc/build.md) Finit, e.g:
+
+    ./configure --prefix=/usr --exec-prefix= --sysconfdir=/etc --localstatedir=/var
+	make -j9 clean all
+
+Then run (parallel does not work atm):
 
     make check
 
@@ -24,3 +30,4 @@ test suite, which is handy when developing new tests or debugging existing
 test. To execute an individual test, simply invoke the script containing it:
 
     ./test/name-of-the-test.sh
+