pactest: avoid upgrade conflict with unchanged effective path

Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

test/pacman/tests/fileconflict013.py

@@ -0,0 +1,22 @@
+self.description = "file->file path change with same effective path (/lib as symlink)"
+
+lp1 = pmpkg("filesystem", "1.0-1")
+lp1.files = ["usr/",
+             "usr/lib/",
+             "lib -> usr/lib/"]
+self.addpkg2db("local", lp1)
+
+lp2 = pmpkg("pkg1", "1.0-1")
+lp2.files = ["lib/libfoo.so"]
+self.addpkg2db("local", lp2)
+
+sp1 = pmpkg("pkg1", "1.0-2")
+sp1.files = ["usr/lib/libfoo.so"]
+self.addpkg2db("sync", sp1)
+
+self.args = "-Su"
+
+self.addrule("PACMAN_RETCODE=0")
+self.addrule("PKG_VERSION=pkg1|1.0-2")
+
+self.expectfailure = True