Simplify code execution in test_get_message by only using exec

Refactor test_get_message to simplify code execution.

Author: Locked-chess-official

Lib/idlelib/idle_test/test_run.py

@@ -53,10 +53,7 @@ def test_get_message(self):
         for code, exc, msg in self.data:
             with self.subTest(code=code):
                 try:
-                    if "raise" not in code:
-                        eval(compile(code, '', 'eval'))
-                    else:
-                        exec(compile(code, '', 'exec')) # code r"raise NameError("123\n456")" cannot run in "eval" mode: SyntaxError
+                    exec(compile(code, '', 'exec'))
                 except exc:
                     typ, val, tb = sys.exc_info()
                     actual = run.get_message_lines(typ, val, tb)[0]
@@ -78,16 +75,10 @@ def test_get_multiple_message(self, mock):
         for (code1, exc1, msg1), (code2, exc2, msg2) in data2:
             with self.subTest(codes=(code1,code2)):
                 try:
-                    if "raise" not in code1:
-                        eval(compile(code1, '', 'eval'))
-                    else:
-                        exec(compile(code1, '', 'exec'))
+                    exec(compile(code1, '', 'exec'))
                 except exc1:
                     try:
-                        if "raise" not in code2:
-                            eval(compile(code2, '', 'eval'))
-                        else:
-                            exec(compile(code2, '', 'exec'))
+                        exec(compile(code2, '', 'exec'))
                     except exc2:
                         with captured_stderr() as output:
                             run.print_exception()