ENH: Test calling the scripts

Test calling the scripts to print their usage.

Add the `pytest-console-script` dependency so that the scripts can be
called when executing `pytest`.

pyproject.toml

@@ -38,6 +38,7 @@ doc = [
 test = [
     "coverage",
     "pytest",
+    "pytest-console-scripts",
 ]
 
 [project.urls]

tract_querier/tests/test_tract_math.py

@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+def test_help_option(script_runner):
+    ret = script_runner.run("tract_math", "--help")
+    assert ret.success

tract_querier/tests/test_tract_querier.py

@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+def test_help_option(script_runner):
+    ret = script_runner.run("tract_querier", "--help")
+    assert ret.success