Configuration: ensure that 'no-tests' works correctly

'no-tests' wasn't entirely respected when specifying subdirs in the
top build.info.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14082)

build.info

@@ -1,7 +1,10 @@
 # Note that some of these directories are filtered in Configure.  Look for
 # %skipdir there for further explanations.
 
-SUBDIRS=crypto ssl apps test util tools fuzz providers doc
+SUBDIRS=crypto ssl apps util tools fuzz providers doc
+IF[{- !$disabled{tests} -}]
+  SUBDIRS=test
+ENDIF
 IF[{- !$disabled{'deprecated-3.0'} -}]
   SUBDIRS=engines
 ENDIF