disable ppx_runner test with custom omp runner args

test/blackbox-tests/test-cases/ppx-rewriter/run.t

@@ -16,48 +16,5 @@
         ocamlc w_ppx_driver.{cmi,cmo,cmt}
       ocamlopt w_ppx_driver.{cmx,o}
       ocamlopt w_ppx_driver.exe
-  $ $JBUILDER build ./w_ppx_driver_flags.exe -j1 --root .
-      ocamlopt .ppx/fooppx+ppx_driver.runner/ppx.exe
-           ppx w_ppx_driver_flags.pp.ml (exit 2)
-  (cd _build/default && ./.ppx/fooppx+ppx_driver.runner/ppx.exe -flag -arg omp --dump-ast -o w_ppx_driver_flags.pp.ml --impl w_ppx_driver_flags.ml)
-  ./.ppx/fooppx+ppx_driver.runner/ppx.exe: unknown option '-flag'.
-  ppx.exe [extra_args] [<files>]
-    -loc-filename <string>      File name to use in locations
-    -reserve-namespace <string> Mark the given namespace as reserved
-    -no-check                   Disable checks (unsafe)
-    -do-check                   Enable checks
-    -apply <names>              Apply these transformations in order (comma-separated list)
-    -dont-apply <names>         Exclude these transformations
-    -no-merge                   Do not merge context free transformations (better for debugging rewriters)
-    -as-ppx                     Run as a -ppx rewriter (must be the first argument)
-    --as-ppx                    Same as -as-ppx
-    -as-pp                      Shorthand for: -dump-ast -embed-errors
-    --as-pp                     Same as -as-pp
-    -o <filename>               Output file (use '-' for stdout)
-    -                           Read input from stdin
-    -no-optcomp                 Do not use optcomp (default if the input or output of -pp is a binary AST)
-    -dump-ast                   Dump the marshaled ast to the output file instead of pretty-printing it
-    --dump-ast                  Same as -dump-ast
-    -dparsetree                 Print the parsetree (same as ocamlc -dparsetree)
-    -embed-errors               Embed errors in the output AST (default: true when -dump-ast, false otherwise)
-    -null                       Produce no output, except for errors
-    -impl <file>                Treat the input as a .ml file
-    --impl <file>               Same as -impl
-    -intf <file>                Treat the input as a .mli file
-    --intf <file>               Same as -intf
-    -debug-attribute-drop       Debug attribute dropping
-    -print-transformations      Print linked-in code transformations, in the order they are applied
-    -print-passes               Print the actual passes over the whole AST in the order they are applied
-    -ite-check                  Enforce that "complex" if branches are delimited (disabled if -pp is given)
-    -pp <command>               Pipe sources through preprocessor <command> (incompatible with -as-ppx)
-    -reconcile                  (WIP) Pretty print the output using a mix of the input source and the generated code
-    -reconcile-with-comments    (WIP) same as -reconcile but uses comments to enclose the generated code
-    -no-color                   Don't use colors when printing errors
-    -diff-cmd                   Diff command when using code expectations
-    -pretty                     Instruct code generators to improve the prettiness of the generated code
-    -styler                     Code styler
-    -cookie NAME=EXPR           Set the cookie NAME to EXPR
-    --cookie                    Same as -cookie
-    -help                       Display this list of options
-    --help                      Display this list of options
-  [1]
+This test is broken because ppx_driver doesn't support migrate custom arguments
+#  $ $JBUILDER build ./w_ppx_driver_flags.exe -j1 --root .