Add pending test case on dependency resolution

test/workflow.vader

@@ -328,6 +328,13 @@ Execute (Partial PlugInstall):
   PlugInstall vim-fnr vim-easy-align 1
   q
 
+Execute (TODO Check dependent plugin):
+^ It is a known issue that when a dependent plugin is installed, it is not
+^ immediately added to runtimepath. It only becomes available when
+^ plug#end() is called.
+
+  Assert &rtp =~ 'pseudocl', &rtp
+
 Given (Unaligned code):
   a=1
   aa=2