dict: fix CI issues

docs/markdown/snippets/dict_builtin.md

@@ -14,6 +14,6 @@ foo = dict.get('foo')
 foobar = dict.get('foobar', 'fallback-value')
 
 foreach key, value : dict
-  # Do something with key and value
-#endforeach
+  Do something with key and value
+endforeach
 ```

mesonbuild/interpreterbase.py

@@ -300,7 +300,7 @@ class InterpreterBase:
 
     def evaluate_dictstatement(self, cur):
         (arguments, kwargs) = self.reduce_arguments(cur.args)
-        assert (not arguments, 'parser bug, arguments should be empty')
+        assert (not arguments)
         return kwargs
 
     def evaluate_notstatement(self, cur):

run_unittests.py

@@ -582,7 +582,6 @@ class BasePlatformTests(unittest.TestCase):
         if inprocess:
             try:
                 (returncode, out, err) = run_configure(self.meson_mainfile, self.meson_args + args + extra_args)
-                print (out)
                 if 'MESON_SKIP_TEST' in out:
                     raise unittest.SkipTest('Project requested skipping.')
                 if returncode != 0: