make the output of test-locate more readable

tests/test-locate

@@ -1,5 +1,14
 #!/bin/sh
-#
+
+hglocate()
+{
+    echo "hg locate $@"
+    hg locate "$@"
+    ret=$?
+    echo
+    return $ret
+}
+
 mkdir t
 cd t
 hg init

tests/test-locate.out

@@ -2,24 +2,48 adding a
 adding b
 adding t.h
 adding t/x
+hg locate a
 a
+
 locate succeeded
+hg locate NONEXISTENT
+
 locate failed
+hg locate 
 a
 b
 t.h
 t/x
+
+hg locate a
+
+hg locate NONEXISTENT
+
+hg locate 
 b
 t.h
 t/x
+
+hg locate -r 0 a
 a
+
+hg locate -r 0 NONEXISTENT
+
+hg locate -r 0
 a
 b
 t.h
 t/x
+
 % -I/-X with relative path should work
+hg locate 
 b
 t.h
 t/x
+
+hg locate -I ../t
 t/x
+
+hg locate t
 t/x
+