Autotest: Add editor's mark for test's failed assertion

Tooltip shows failure details. Click navigates to test results pane.

Task-number: QTCREATORBUG-20328
Change-Id: I47ffaef1f035dfc5b244644a099e1c7d8db6715b
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/autotest/testeditormark.cpp

@@ -0,0 +1,45 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "testeditormark.h"
+#include "testresultspane.h"
+
+namespace Autotest {
+namespace Internal {
+
+TestEditorMark::TestEditorMark(QPersistentModelIndex item, const Utils::FileName &file, int line)
+    : TextEditor::TextMark(file, line, Core::Id(Constants::TASK_MARK_ID)),
+      m_item(item)
+{
+}
+
+void TestEditorMark::clicked()
+{
+    auto instance = TestResultsPane::instance();
+    instance->showTestResult(m_item);
+}
+
+} // namespace Internal
+} // namespace Autotest