@Override
        public String toString() {
            return "Implementation: " + implementationValue;
        }
    }

    private static class InvalidValue implements PropertyValue {
        private final Exception exception;

        public InvalidValue(Exception exception) {
            this.exception = exception;
        }

        @Nullable
        @Override
        public Object call() {

		value                string
		expectedError        bool
		expectedFeaturesGate map[string]bool
	}{
		{ //invalid value (missing =)
			value:         "invalidValue",
			expectedError: true,
		},
		{ //invalid value (missing =)
			value:         "feature1=true,invalidValue",
			expectedError: true,
		},
		{ //invalid value (not a boolean)
			value:         "feature1=notABoolean",
			expectedError: true,
		},

        then:
        thrown(InvalidUserDataException)
    }

    def "throw exception with a valid group but invalid second key"() {
        when:
        parser.parseNotation([group: 'aGroup', invalidKey1:"invalidValue"]);
        then:
        thrown(MissingPropertyException)
    }

    def "checkValidExcludeRuleMap is true if group or module is defined"() {
        expect:

		`\\\`, // orphan slash is invalid
		`\a`,  // unrecognized escape sequence is invalid
	}
	for _, invalidValue := range invalidTestcases {
		_, err := UnescapeValue(invalidValue)
		if _, ok := err.(InvalidEscapeSequence); !ok || err == nil {
			t.Errorf("UnescapeValue(%s): expected invalid escape sequence error, got %#v", invalidValue, err)
		}
	}
}

func TestSelectorParse(t *testing.T) {
	testGoodStrings := []string{

		// The other query params should exist, other wise ErrInvalidQueryParams will be returned because of missing fields.
		{
			inputQueryKeyVals: []string{
				"X-Amz-Algorithm", "InvalidValue",
				"X-Amz-Credential", "",
				"X-Amz-Signature", "",
				"X-Amz-Date", "",
				"X-Amz-SignedHeaders", "",
				"X-Amz-Expires", "",
			},
			expectedPreSignValues: preSignValues{},

		},
		{
			node: api.Node{
				ObjectMeta: metav1.ObjectMeta{Name: "foo6"},
				Status:     api.NodeStatus{Conditions: []api.NodeCondition{{Type: "InvalidValue", Status: api.ConditionTrue}}},
			},
			// Columns: Name, Status, Roles, Age, KubeletVersion
			expected: []metav1.TableRow{{Cells: []interface{}{"foo6", "Unknown", "<none>", "<unknown>", ""}}},
		},
		{