Update tests.

Author: m-ou-se

tests/coverage/issue-83601.cov-map

@@ -1,13 +1,11 @@
 Function name: issue_83601::main
-Raw bytes (21): 0x[01, 01, 01, 05, 09, 03, 01, 06, 01, 02, 0f, 05, 03, 09, 01, 0f, 02, 02, 05, 03, 02]
+Raw bytes (19): 0x[01, 01, 00, 03, 01, 06, 01, 02, 0f, 01, 03, 09, 01, 0f, 01, 02, 05, 03, 02]
 Number of files: 1
 - file 0 => global file 1
-Number of expressions: 1
-- expression 0 operands: lhs = Counter(1), rhs = Counter(2)
+Number of expressions: 0
 Number of file 0 mappings: 3
 - Code(Counter(0)) at (prev + 6, 1) to (start + 2, 15)
-- Code(Counter(1)) at (prev + 3, 9) to (start + 1, 15)
-- Code(Expression(0, Sub)) at (prev + 2, 5) to (start + 3, 2)
-    = (c1 - c2)
-Highest counter ID seen: c1
+- Code(Counter(0)) at (prev + 3, 9) to (start + 1, 15)
+- Code(Counter(0)) at (prev + 2, 5) to (start + 3, 2)
+Highest counter ID seen: c0