rm TestProjectUtils: it's more about itself than about any GUI functionality

Tests/Unit/GUI/TestProjectUtils.cpp

-#include "GUI/Model/Project/ProjectUtil.h"
-#include "GUI/Support/Util/ItemFileNameUtil.h"
-#include "Tests/GTestWrapper/google_test.h"
-#include "Utils.h"
-#include <QDir>
-#include <QFile>
-#include <QTextStream>
-#include <iostream>
-
-namespace {
-
-QStringList dataInDir(const QString& dirname)
-{
-    QDir dir(dirname);
-
-    if (!dir.exists())
-        throw std::runtime_error("Error. Non existing directory '" + dirname.toLatin1() + "'.");
-
-    return dir.entryList({"*.int", "*.int.gz"});
-}
-
-} // namespace
-
-class TestProjectUtils : public ::testing::Test {};
-
-TEST_F(TestProjectUtils, dataInDir)
-{
-    const QString projectDir = "test_ProjectUtils";
-
-    QDir dir(projectDir);
-    if (dir.exists()) {
-        EXPECT_TRUE(QDir(projectDir).removeRecursively());
-        EXPECT_FALSE(dir.exists());
-    }
-
-    UTest::GUI::create_dir(projectDir);
-    EXPECT_TRUE(QFile::exists(projectDir));
-
-    EXPECT_EQ(1, 1);
-    QStringList test_data_files{"jobdata_job2_0.int", "refdata_job2_0.int",
-                                "realdata_box_nanodots_0.int", "realdata_untitled_0.int"};
-
-    const QString ext = QString(GUI::Project::Util::projectFileExtension);
-    QStringList test_some_other_files{"b.txt", "untitled" + ext};
-
-    std::cout << "create files ..." << std::endl;
-    for (const auto& fn : test_data_files + test_some_other_files) {
-        QString filename = projectDir.isEmpty() ? fn : projectDir + "/" + fn;
-        std::cout << "..." << filename.toStdString() << std::endl;
-        QFile file(filename);
-        if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
-            throw std::runtime_error("Error. Cannot create file");
-        QTextStream out(&file);
-        out << "Test file " << 42 << "\n";
-        file.close();
-        EXPECT_TRUE(QFile::exists(filename));
-    }
-
-    std::cout << "check dataInDir ..." << std::endl;
-    // Check dataInDir method, should contain only files from test_data_files.
-    QStringList datfiles = dataInDir(projectDir);
-
-    std::cout << "sort files ..." << std::endl;
-    datfiles.sort();
-    test_data_files.sort();
-    EXPECT_EQ(datfiles.size(), 4);
-    EXPECT_EQ(test_data_files, datfiles);
-
-    std::cout << "remove data files ..." << std::endl;
-    for (auto& name : datfiles)
-        QFile::remove(projectDir + "/" + name);
-
-    std::cout << "check that no files left ..." << std::endl;
-    datfiles = dataInDir(projectDir);
-    EXPECT_EQ(datfiles.size(), 0);
-}