Simplify test

SQLite seems to have slightly inconsisten behaviour when it comes to
enforcing limits. It might have something to do with the SQLite compile
time options, or it may be a bug. Simplifying the test seems to work
in different environments.

Author: erlend-aasland

Lib/test/test_sqlite3/test_hooks.py

@@ -326,12 +326,11 @@ def test_trace_too_much_expanded_sql(self):
         # unexpanded SQL statement (for SQLite 3.14.0 and newer).
         # The resulting string length is limited by the runtime limit
         # SQLITE_LIMIT_LENGTH.
-        template = "select 'b' as \"a\" from sqlite_master where \"a\"="
+        template = "select 1 as a where a="
         category = sqlite.SQLITE_LIMIT_LENGTH
         with memory_database() as cx, cx_limit(cx, category=category) as lim:
-            nextra = lim - (len(template) + 2) - 1
-            ok_param = "a" * nextra
-            bad_param = "a" * (nextra + 1)
+            ok_param = "a"
+            bad_param = "a" * lim
 
             unexpanded_query = template + "?"
             expected = [unexpanded_query]