Reduce depth required to succeed in compiler test.

Author: markshannon

Lib/test/test_ast.py

@@ -817,7 +817,7 @@ def next(self):
     @support.cpython_only
     def test_ast_recursion_limit(self):
         crash_depth = 100_000
-        success_depth = 5_000
+        success_depth = 3_000
 
         def check_limit(prefix, repeated):
             expect_ok = prefix + repeated * success_depth

Lib/test/test_compile.py

@@ -547,7 +547,7 @@ def test_yet_more_evil_still_undecodable(self):
     @unittest.skipIf(support.is_wasi, "exhausts limited stack on WASI")
     def test_compiler_recursion_limit(self):
         crash_depth = 100_000
-        success_depth = 5_000
+        success_depth = 3_000
 
         def check_limit(prefix, repeated, mode="single"):
             expect_ok = prefix + repeated * success_depth