Observe > Metrics > Actions

1. Go To Observe > Metrics
2. Verify Expression row
3. There should be only 1 row

1. Click on Actions > Add query
2. Verify Expression rows
3. There should be 2 rows

1. Verify Expand icons
2. Div class query-browser_table query-browser_table--expanded

1. Click on Actions > Collapse all query tables
2. Verify Expression rows
3. Div class should not exist query-browser_table query-browser_table--expanded

1. Click on Actions > Expand all query tables
2. Verify Expression rows
3. Div class query-browser_table query-browser_table--expanded
4. Click on Actions > Delete all queries
5. Verify Expression rows
6. There should be only 1 row

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same scenario with rows with query to assert collapsed / expanded rows with table, series