gh-102252: Improve coverage of test_bool.py (#102253)

Add tests for conversion from bool to complex.

Author: Eclips4

Lib/test/test_bool.py

@@ -40,6 +40,12 @@ def test_float(self):
         self.assertEqual(float(True), 1.0)
         self.assertIsNot(float(True), True)
 
+    def test_complex(self):
+        self.assertEqual(complex(False), 0j)
+        self.assertEqual(complex(False), False)
+        self.assertEqual(complex(True), 1+0j)
+        self.assertEqual(complex(True), True)
+
     def test_math(self):
         self.assertEqual(+False, 0)
         self.assertIsNot(+False, False)