bpo-28395: Remove unnecessary semicolons in tests (GH-26868)

(cherry picked from commit 5a3108044d)

Co-authored-by: Dong-hee Na <donghee.na@python.org>

Lib/test/test_heapq.py

@@ -146,11 +146,11 @@ class TestHeap:
         self.assertEqual(type(h[0]), int)
         self.assertEqual(type(x), float)
 
-        h = [10];
+        h = [10]
         x = self.module.heappushpop(h, 9)
         self.assertEqual((h, x), ([10], 9))
 
-        h = [10];
+        h = [10]
         x = self.module.heappushpop(h, 11)
         self.assertEqual((h, x), ([11], 10))