(test suite): Fix fallout from fec077d

Author: scop

test/unit/_filedir.exp

@@ -183,11 +183,11 @@ foreach name {f f2} {
     sync_after_int
 
 
-    set cmd "$name \"a\\\"b/"; #"
-    assert_complete_dir {d"} $cmd "$::srcdir/fixtures/_filedir"; #"
-
-
-    sync_after_int
+    if {! [is_cygwin]} {  # Illegal characters in file/dir names
+        set cmd "$name \"a\\\"b/"; #"
+        assert_complete_dir {d"} $cmd "$TESTDIR/tmp"; #"
+        sync_after_int
+    }
 
 
     set cmd "$name \"a\\\$b/"; #"