bpo-39652: Truncate the column name after '[' only if PARSE_COLNAMES is set. (GH-18942)

diff --git a/Lib/sqlite3/test/regression.py b/Lib/sqlite3/test/regression.py
index c714116..cbd46d4 100644
--- a/Lib/sqlite3/test/regression.py
+++ b/Lib/sqlite3/test/regression.py
@@ -68,7 +68,7 @@
     def CheckColumnNameWithSpaces(self):
         cur = self.con.cursor()
         cur.execute('select 1 as "foo bar [datetime]"')
-        self.assertEqual(cur.description[0][0], "foo bar")
+        self.assertEqual(cur.description[0][0], "foo bar [datetime]")
 
         cur.execute('select 1 as "foo baz"')
         self.assertEqual(cur.description[0][0], "foo baz")
diff --git a/Lib/sqlite3/test/types.py b/Lib/sqlite3/test/types.py
index 19ecd07..d26a9cb 100644
--- a/Lib/sqlite3/test/types.py
+++ b/Lib/sqlite3/test/types.py
@@ -275,13 +275,13 @@
 
     def CheckColName(self):
         self.cur.execute("insert into test(x) values (?)", ("xxx",))
-        self.cur.execute('select x as "x [bar]" from test')
+        self.cur.execute('select x as "x y [bar]" from test')
         val = self.cur.fetchone()[0]
         self.assertEqual(val, "<xxx>")
 
         # Check if the stripping of colnames works. Everything after the first
-        # whitespace should be stripped.
-        self.assertEqual(self.cur.description[0][0], "x")
+        # '[' (and the preceeding space) should be stripped.
+        self.assertEqual(self.cur.description[0][0], "x y")
 
     def CheckCaseInConverterName(self):
         self.cur.execute("select 'other' as \"x [b1b1]\"")