def set_context_prefix(self, name, prefix):
        """Set a context's prefix.

        This will be applied to all wrappers for the tools in this context. For
        example, a tool called 'foo' would appear as '<prefix>foo' in the
        suite's bin path.

        Args:
            name (str): Name of the context to prefix.
            prefix (str): Prefix to apply to tools.
        """
        data = self._context(name)
        data["prefix"] = prefix
        self._flush_tools()