print integration test duration

Description

Right now the test log would show

```
test/test_internal.py::test_blocks_count_from_show_blocks PASSED [ 28%]
```

The goal of this ticket is to print out the test duration in each integration test like below

```
test/test_internal.py::test_blocks_count_from_show_blocks PASSED [ 28%] (took 123s)
```

Status

Assignee

Will Qiu

Reporter

Will Qiu

Components

None

Story Points

3

Epic Link

None

Sprint

None

Fix versions

Priority

Medium
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