Disable now-broken test

This test case has incorrect location information:

```rb
foo do |(*args)|
  "block with multi-target rest args"
end
```

Author: amomchilov

test/BUILD

@@ -568,6 +568,7 @@ pipeline_tests(
             "prism_regression/call_implicit_kw_args.rb",
             "prism_regression/literal_hash.rb",
             "prism_regression/multi_target.rb",
+            "prism_regression/call_block_param.rb",
         ],
     ),
     "PrismPosTests",