Running BigQuery list_schemas macro produces error

[azhard]

Describe the bug

When attempting to run the list_schemas macro from a BigQuery dbt project, you get the following error

list_schemas() missing 1 required positional argument: 'database'

Steps To Reproduce

Create a test macro in a BigQuery dbt project that invokes list_schema like this one:

{%- macro test() -%}
    {%- do list_schemas(target.project) -%}
{%- endmacro -%}

Run the macro with dbt run-operation test to see the error

Expected behavior

Macro should work without any compilation error.

System information

Which database are you using dbt with?

• postgres
• redshift
• [ x] bigquery
• snowflake
• other (specify: ____________)

The output of dbt --version:

0.16.1

The operating system you're using:
macOS Catalina (10.15.4)

The output of python --version:
3.8.1

Additional context

N/A