diff --git a/app/src/main/java/info/nightscout/androidaps/data/QuickWizard.java b/app/src/main/java/info/nightscout/androidaps/data/QuickWizard.java
index 587d7f86a2..25c768cdda 100644
--- a/app/src/main/java/info/nightscout/androidaps/data/QuickWizard.java
+++ b/app/src/main/java/info/nightscout/androidaps/data/QuickWizard.java
@@ -10,6 +10,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import info.nightscout.androidaps.MainApp;
+import info.nightscout.utils.SP;
 
 /**
  * Created by mike on 12.10.2016.
@@ -25,10 +26,7 @@ public class QuickWizard {
     }
 
     public void save() {
-        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(MainApp.instance().getApplicationContext());
-        SharedPreferences.Editor editor = preferences.edit();
-        editor.putString("QuickWizard", storage.toString());
-        editor.apply();
+        SP.putString("QuickWizard", storage.toString());
     }
 
     public int size() {
diff --git a/app/src/test/java/info/SPMocker.java b/app/src/test/java/info/SPMocker.java
new file mode 100644
index 0000000000..29fbdaa230
--- /dev/null
+++ b/app/src/test/java/info/SPMocker.java
@@ -0,0 +1,45 @@
+package info;
+
+import org.junit.Assert;
+import org.mockito.ArgumentMatchers;
+import org.mockito.Mockito;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+import org.powermock.api.mockito.PowerMockito;
+
+import java.util.HashMap;
+
+import info.nightscout.utils.SP;
+
+import static org.powermock.api.mockito.PowerMockito.when;
+
+public class SPMocker {
+
+    static HashMap<String, Object> data = new HashMap<>();
+
+    public static void prepareMock() {
+        PowerMockito.mockStatic(SP.class);
+
+        try {
+            PowerMockito.when(SP.class, "putString", ArgumentMatchers.anyString(), ArgumentMatchers.anyString()).then(invocation -> {
+                String key = invocation.getArgument(0);
+                String value = invocation.getArgument(1);
+                data.put(key,value);
+                return null;
+            });
+
+            PowerMockito.when(SP.class, "getString", ArgumentMatchers.anyString(), ArgumentMatchers.anyString()).then(invocation -> {
+                String key = invocation.getArgument(0);
+                String def = invocation.getArgument(1);
+                String value = (String) data.get(key);
+                if (value == null) value = def;
+                return value;
+            });
+        } catch (Exception e) {
+            Assert.fail("Unable to mock the construction of "
+                    + "the SP object");
+        }
+
+    }
+
+}
diff --git a/app/src/test/java/info/nightscout/androidaps/data/QuickWizardTest.java b/app/src/test/java/info/nightscout/androidaps/data/QuickWizardTest.java
new file mode 100644
index 0000000000..9a12a2a255
--- /dev/null
+++ b/app/src/test/java/info/nightscout/androidaps/data/QuickWizardTest.java
@@ -0,0 +1,83 @@
+package info.nightscout.androidaps.data;
+
+import junit.framework.Assert;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+import info.AAPSMocker;
+import info.SPMocker;
+import info.nightscout.androidaps.MainApp;
+import info.nightscout.utils.SP;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({SP.class, MainApp.class})
+public class QuickWizardTest {
+
+    String data1 = "{\"buttonText\":\"Meal\",\"carbs\":36,\"validFrom\":0,\"validTo\":18000," +
+            "\"useBG\":0,\"useCOB\":0,\"useBolusIOB\":0,\"useBasalIOB\":0,\"useTrend\":0,\"useSuperBolus\":0,\"useTemptarget\":0}";
+    String data2 = "{\"buttonText\":\"Lunch\",\"carbs\":18,\"validFrom\":36000,\"validTo\":39600," +
+            "\"useBG\":0,\"useCOB\":0,\"useBolusIOB\":1,\"useBasalIOB\":2,\"useTrend\":0,\"useSuperBolus\":0,\"useTemptarget\":0}";
+
+    JSONArray array;
+    QuickWizard qv = new QuickWizard();
+
+    public QuickWizardTest() {
+        try {
+            array = new JSONArray("[" + data1 + "," + data2 + "]");
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Before
+    public void mock() {
+        AAPSMocker.mockMainApp();
+        SPMocker.prepareMock();
+    }
+
+    @Test
+    public void setDataTest() {
+        qv.setData(array);
+        Assert.assertEquals(2, qv.size());
+    }
+
+    @Test
+    public void saveTest() {
+        qv.setData(array);
+        qv.save();
+        Assert.assertEquals("[{\"useBolusIOB\":0,\"buttonText\":\"Meal\",\"useTrend\":0,\"carbs\":36,\"useCOB\":0,\"useBasalIOB\":0,\"useTemptarget\":0,\"useBG\":0,\"validFrom\":0,\"useSuperBolus\":0,\"validTo\":18000},{\"useBolusIOB\":1,\"buttonText\":\"Lunch\",\"useTrend\":0,\"carbs\":18,\"useCOB\":0,\"useBasalIOB\":2,\"useTemptarget\":0,\"useBG\":0,\"validFrom\":36000,\"useSuperBolus\":0,\"validTo\":39600}]", SP.getString("QuickWizard", "d"));
+    }
+
+    @Test
+    public void getTest() {
+        qv.setData(array);
+        Assert.assertEquals("Lunch", qv.get(1).buttonText());
+    }
+
+    @Test
+    public void isActive() {
+    }
+
+    @Test
+    public void getActive() {
+    }
+
+    @Test
+    public void newEmptyItemTest() {
+        Assert.assertNotNull(qv.newEmptyItem());
+    }
+
+    @Test
+    public void addOrUpdate() {
+    }
+
+    @Test
+    public void remove() {
+    }
+}
\ No newline at end of file