Remove Qt Quick Test documentation

It is being moved to qtdeclarative.

Task-number: QTBUG-50064
Change-Id: Ief9d89967c28001c3fd587d4db459abf0c948c8b
Reviewed-by: Venugopal Shivashankar <Venugopal.Shivashankar@qt.io>
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>

doc/src/qmlapp/qtquicktest.qdoc

-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:FDL$
-** 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 Free Documentation License Usage
-** Alternatively, this file may be used under the terms of the GNU Free
-** Documentation License version 1.3 as published by the Free Software
-** Foundation and appearing in the file included in the packaging of
-** this file. Please review the following information to ensure
-** the GNU Free Documentation License version 1.3 requirements
-** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-/*!
-    \page qtquick-qtquicktest.html
-    \title Qt Quick Test Reference Documentation
-    \brief unit testing framework for QML
-
-    \section1 Introduction
-
-    \l {Qt Quick Test QML Types}{Qt Quick Test} is a unit test framework for QML applications.
-    Test cases are written as JavaScript functions within a \l {QtTest::TestCase}{TestCase}
-    type:
-
-    \code
-    import QtQuick 2.3
-    import QtTest 1.0
-
-    TestCase {
-        name: "MathTests"
-
-        function test_math() {
-            compare(2 + 2, 4, "2 + 2 = 4")
-        }
-
-        function test_fail() {
-            compare(2 + 2, 5, "2 + 2 = 5")
-        }
-    }
-    \endcode
-
-    Functions whose names start with \c{test_} are treated as test cases
-    to be executed. See the documentation for the \l {QtTest::TestCase}{TestCase} and
-    \l {QtTest::SignalSpy}{SignalSpy} types for more information on writing test cases.
-
-    \section1 Running Tests
-
-    Test cases are launched by a C++ harness that consists of
-    the following code:
-
-    \code
-    #include <QtQuickTest/quicktest.h>
-    QUICK_TEST_MAIN(example)
-    \endcode
-
-    Where "example" is the identifier to use to uniquely identify
-    this set of tests. You should add \c{CONFIG += qmltestcase}.
-    for example:
-
-    \code
-    TEMPLATE = app
-    TARGET = tst_example
-    CONFIG += warn_on qmltestcase
-    SOURCES += tst_example.cpp
-    \endcode
-
-    The test harness scans the specified source directory recursively
-    for "tst_*.qml" files. If \c{QUICK_TEST_SOURCE_DIR} is not defined,
-    then the current directory will be scanned when the harness is run.
-    Other *.qml files may appear for auxillary QML components that are
-    used by the test.
-
-    The \c{-input} command-line option can be set at runtime to run
-    test cases from a different directory. This may be needed to run
-    tests on a target device where the compiled-in directory name refers
-    to a host. For example:
-
-    \code
-    tst_example -input /mnt/SDCard/qmltests
-    \endcode
-
-    It is also possible to run a single file using the \c{-input} option.
-    For example:
-
-    \code
-    tst_example -input data/test.qml
-    \endcode
-
-    \code
-    tst_example -input <full_path>/test.qml
-    \endcode
-
-    \note Specifying the full path to the qml test file is for example
-    needed for shadow builds.
-
-    If your test case needs QML imports, then you can add them as
-    \c{-import} options to the test program command-line.
-
-    If IMPORTPATH is specified in your .pro file, each import path added to IMPORTPATH
-    will be passed as a command-line argument when the test is run using "make check":
-
-    \code
-    IMPORTPATH += $$PWD/../imports/my_module1 $$PWD/../imports/my_module2
-    \endcode
-
-    The \c{-functions} command-line option will return a list of the current
-    tests functions. It is possible to run a single test function using the name
-    of the test function as an argument. For example:
-
-    \code
-    tst_example Test_Name::function1
-    \endcode
-
-    The \c{-help} command-line option will return all the options available.
-
-    \code
-    tst_example -help
-    \endcode
-*/