diff --git a/autotests/dialognativetest.cpp b/autotests/dialognativetest.cpp
--- a/autotests/dialognativetest.cpp
+++ b/autotests/dialognativetest.cpp
@@ -18,39 +18,15 @@
 *********************************************************************************/
 
 #include "dialognativetest.h"
-#include <KWindowSystem>
 
-void copyPath(const QString &src, const QString &dst)
-{
-    QDir dir(src);
-    Q_ASSERT(dir.exists());
-
-    foreach (const auto &d, dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
-        QString dst_path = dst + QLatin1Char('/') + d;
-        dir.mkpath(dst_path);
-        copyPath(src + QLatin1Char('/') + d, dst_path);
-    }
-
-    foreach (const auto &f, dir.entryList(QDir::Files)) {
-        QFile::copy(src + QLatin1Char('/') + f, dst + QLatin1Char('/') + f);
-    }
-}
+#include "utils.h"
+
+#include <KWindowSystem>
 
 void DialogNativeTest::initTestCase()
 {
     QStandardPaths::setTestModeEnabled(true);
-    {
-        const auto qttestPath = QStandardPaths::standardLocations(QStandardPaths::GenericDataLocation).constFirst();
-        Q_ASSERT(!qttestPath.isEmpty());
-        QDir themePath(qttestPath + QLatin1String("/plasma/desktoptheme/default"));
-
-        auto data = QFINDTESTDATA("../src/desktoptheme/breeze/metadata.desktop");
-        QFileInfo f(data);
-        QVERIFY(f.dir().mkpath(themePath.path()));
-
-        copyPath(f.dir().filePath("default.gzipped"), themePath.path());
-        QFile::copy(f.dir().filePath("metadata.desktop"), themePath.filePath("metadata.desktop"));
-    }
+    Plasma::TestUtils::installPlasmaTheme();
 
     m_cacheDir = QDir(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
     m_cacheDir.removeRecursively();
diff --git a/autotests/iconitemtest.cpp b/autotests/iconitemtest.cpp
--- a/autotests/iconitemtest.cpp
+++ b/autotests/iconitemtest.cpp
@@ -33,6 +33,8 @@
 #include "plasma/theme.h"
 #include "plasma/svg.h"
 
+#include "utils.h"
+
 static bool imageIsEmpty(const QImage &img)
 {
     for (int i = 0; i < img.width(); ++i) {
@@ -47,20 +49,8 @@
 
 void IconItemTest::initTestCase()
 {
-    if (qgetenv("XDG_DATA_DIRS").isEmpty()) {
-        QWARN("\n"
-              "  !!!\n"
-              "  Switching QStandardPaths into testing mode.\n"
-              "  Make sure xdg data can be found or set XDG_DATA_DIRS.\n"
-              "  !!!\n");
-    }
-
-    // make our theme in search path
-    qputenv("XDG_DATA_DIRS",
-            qgetenv("XDG_DATA_DIRS") + ":" + QFINDTESTDATA("data").toLocal8Bit());
-
-    // set default icon theme to test-theme
-    QStandardPaths::setTestModeEnabled(true);
+    Plasma::TestUtils::installPlasmaTheme();
+    qputenv("XDG_DATA_DIRS",  qgetenv("XDG_DATA_DIRS") + ":" + QFINDTESTDATA("data").toLocal8Bit());
 
     QString configPath = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation);
 
diff --git a/autotests/utils.h b/autotests/utils.h
new file mode 100644
--- /dev/null
+++ b/autotests/utils.h
@@ -0,0 +1,58 @@
+/*
+    Copyright (C) 2019 Aleix Pol <apol@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include <QString>
+#include <QDir>
+#include <QStandardPaths>
+#include <QTest>
+
+namespace Plasma {
+namespace TestUtils {
+
+static void copyPath(const QString &src, const QString &dst) {
+    QDir dir(src);
+    Q_ASSERT(dir.exists());
+
+    foreach (const auto &d, dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
+        QString dst_path = dst + QLatin1Char('/') + d;
+        dir.mkpath(dst_path);
+        copyPath(src + QLatin1Char('/') + d, dst_path);
+    }
+
+    foreach (const auto &f, dir.entryList(QDir::Files)) {
+        QFile::copy(src + QLatin1Char('/') + f, dst + QLatin1Char('/') + f);
+    }
+}
+
+static void installPlasmaTheme() {
+    QStandardPaths::setTestModeEnabled(true);
+    const auto qttestPath = QStandardPaths::standardLocations(QStandardPaths::GenericDataLocation).constFirst();
+    Q_ASSERT(!qttestPath.isEmpty());
+    QDir themePath(qttestPath + QLatin1String("/plasma/desktoptheme/default"));
+
+    auto data = QFINDTESTDATA("../src/desktoptheme/breeze/metadata.desktop");
+    QFileInfo f(data);
+    QVERIFY(f.dir().mkpath(themePath.path()));
+
+    copyPath(f.dir().filePath("default.gzipped"), themePath.path());
+    QFile::copy(f.dir().filePath("metadata.desktop"), themePath.filePath("metadata.desktop"));
+}
+
+} //TestUtils
+} //Plasma