diff --git a/libs/pyqtgraph/util/__init__.py b/libs/pyqtgraph/util/__init__.py
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/timeseriesviewer/tests.py b/timeseriesviewer/tests.py
new file mode 100644
index 0000000000000000000000000000000000000000..6df09d83efee6391fe0b4ca2bdc49cc5f56e6ff7
--- /dev/null
+++ b/timeseriesviewer/tests.py
@@ -0,0 +1,84 @@
+from __future__ import absolute_import
+import six, sys, os, gc, re, collections, site, inspect
+from osgeo import gdal, ogr
+
+from qgis import *
+from qgis.core import *
+from qgis.gui import *
+from PyQt4.QtGui import *
+from PyQt4.QtCore import *
+
+
+class PictureTest(QMainWindow):
+
+    def __init__(self, parent=None, qImage=None):
+        super(PictureTest,self).__init__(parent)
+        self.setWindowTitle("Show Image with pyqt")
+        self.imageLabel=QLabel()
+        self.imageLabel.setSizePolicy(QSizePolicy.Ignored,QSizePolicy.Ignored)
+        self.setCentralWidget(self.imageLabel)
+
+        self.cv_img = None
+
+        if qImage:
+            self.addImage(qImage)
+
+    def addImage(self, qImage):
+        pxmap = QPixmap.fromImage(qImage)
+        self.addPixmap(pxmap)
+
+    def addPixmap(self, pixmap):
+        pxmap = pixmap.scaled(self.imageLabel.size(), Qt.KeepAspectRatio)
+        self.imageLabel.setPixmap(pxmap)
+        self.imageLabel.adjustSize()
+        self.imageLabel.update()
+
+    def addNumpy(self, data):
+
+
+        img = Array2Image(data)
+        self.addImage(img)
+
+        #self.resize(img.width(), img.height())
+
+
+def test_gui():
+    from timeseriesviewer.main import TimeSeriesViewer
+    S = TimeSeriesViewer(None)
+    S.run()
+    pass
+
+def test_component():
+
+    pass
+
+if __name__ == '__main__':
+    import site, sys
+    #add site-packages to sys.path as done by enmapboxplugin.py
+
+    from timeseriesviewer import DIR_SITE_PACKAGES
+    site.addsitedir(DIR_SITE_PACKAGES)
+
+    #prepare QGIS environment
+    if sys.platform == 'darwin':
+        PATH_QGS = r'/Applications/QGIS.app/Contents/MacOS'
+        os.environ['GDAL_DATA'] = r'/usr/local/Cellar/gdal/1.11.3_1/share'
+    else:
+        # assume OSGeo4W startup
+        PATH_QGS = os.environ['QGIS_PREFIX_PATH']
+    assert os.path.exists(PATH_QGS)
+
+    qgsApp = QgsApplication([], True)
+    QApplication.addLibraryPath(r'/Applications/QGIS.app/Contents/PlugIns')
+    QApplication.addLibraryPath(r'/Applications/QGIS.app/Contents/PlugIns/qgis')
+    qgsApp.setPrefixPath(PATH_QGS, True)
+    qgsApp.initQgis()
+
+    #run tests
+    if True: test_gui()
+    if False: test_component()
+
+
+    #close QGIS
+    qgsApp.exec_()
+    qgsApp.exitQgis()