Fix tests for keyboard parsing change

tests/end2end/features/keyinput.feature

@@ -53,7 +53,7 @@ Feature: Keyboard input
 
     Scenario: :fake-key with an unparsable key
         When I run :fake-key <blub>
-        Then the error "Could not parse '<blub>': Got unknown key!" should be shown
+        Then the error "Could not parse '<blub>': Got invalid key!" should be shown
 
     Scenario: :fake-key sending key to the website
         When I open data/keyinput/log.html

tests/unit/completion/test_models.py

@@ -775,7 +775,7 @@ def test_bind_completion_invalid_binding(cmdutils_stub, config_stub,
 
     _check_completions(model, {
         "Current/Default": [
-            ('', "Could not parse '<blub>': Got unknown key!", '<blub>'),
+            ('', "Could not parse '<blub>': Got invalid key!", '<blub>'),
         ],
         "Commands": [
             ('open', 'open a url', ''),

tests/unit/config/test_configcommands.py

@@ -559,7 +559,7 @@ class TestBind:
          "Can't find binding 'foobar' in normal mode"),
         # :bind <blub> nop
         ('bind', ['<blub>', 'nop'], {},
-         "Could not parse '<blub>': Got unknown key!"),
+         "Could not parse '<blub>': Got invalid key!"),
         # :unbind foobar
         ('unbind', ['foobar'], {},
          "Can't find binding 'foobar' in normal mode"),
@@ -568,7 +568,7 @@ class TestBind:
          'Invalid mode wrongmode!'),
         # :unbind <blub>
         ('unbind', ['<blub>'], {},
-         "Could not parse '<blub>': Got unknown key!"),
+         "Could not parse '<blub>': Got invalid key!"),
     ])
     def test_bind_invalid(self, commands,
                           command, args, kwargs, expected):

tests/unit/config/test_configfiles.py

@@ -712,7 +712,7 @@ class TestConfigPy:
         assert error.text.endswith("and parsing key")
         assert isinstance(error.exception, keyutils.KeyParseError)
         assert str(error.exception).startswith("Could not parse")
-        assert str(error.exception).endswith("Got unknown key!")
+        assert str(error.exception).endswith("Got invalid key!")
 
     @pytest.mark.parametrize('line', ["c.foo = 42", "config.set('foo', 42)"])
     def test_config_error(self, confpy, line):