--- a/gwt-client/src/test/java/test/AbstractModuleRunner.java	Mon Aug 20 16:58:23 2018 +0200
+++ b/gwt-client/src/test/java/test/AbstractModuleRunner.java	Mon Aug 20 17:30:13 2018 +0200
@@ -318,13 +318,15 @@
 
     protected final void makeKmRange(final double from, final double to, final String from_key, final String to_key)
             throws ConnectionException, ServerException {
-        final String fromStr = String.valueOf(from);
-        final String toStr = String.valueOf(to);
+        feedAndGo(makeFromToData(from_key, to_key), 0);
+    }
+
+    protected final Data[] makeFromToData(final String from_key, final String to_key) {
+        final String fromStr = String.valueOf(this.from);
+        final String toStr = String.valueOf(this.to);
         final Data dataFrom = new StringOptionsData(from_key, from_key, new DataItem[] { new DefaultDataItem(fromStr, fromStr, fromStr) });
         final Data dataTo = new StringOptionsData(to_key, to_key, new DataItem[] { new DefaultDataItem(toStr, toStr, toStr) });
-        final Data[] rangeFromToDetermined = new Data[] { dataFrom, dataTo };
-
-        feedAndGo(rangeFromToDetermined, 0);
+        return new Data[] { dataFrom, dataTo };
     }
 
     protected final void selectRiver() throws ConnectionException, ServerException {
@@ -354,9 +356,25 @@
         return rec1.getRecommendationPairString(rec2, getCollection(), this.serverUrl, this.locale);
     }
 
-    protected final void feedSimpleTextInput(final String key, final String value) throws ConnectionException, ServerException {
-        final Data data = new StringOptionsData(key, key, new DataItem[] { new DefaultDataItem(value, value, value) });
-        feedAndGo(new Data[] { data }, 0);
+    protected final void feedAndGoData(final Data[] data) throws ConnectionException, ServerException {
+        feedAndGo(data, 0);
+    }
+
+    protected final void feedAndGoSimpleTextInput(final String key, final String value) throws ConnectionException, ServerException {
+        feedAndGo(new Data[] { getSimpleTextInput(key, value) }, 0);
+    }
+
+    protected Data getSimpleTextInput(final String key, final String value) throws ConnectionException, ServerException {
+        return new StringOptionsData(key, key, new DataItem[] { new DefaultDataItem(value, value, value) });
+    }
+
+    protected final Data[] addItemToExistingData(final Data[] existing, final Data add) {
+        final Data[] data = new Data[existing.length + 1];
+        for (int i = 0; i < existing.length; i++) {
+            data[i] = existing[i];
+        }
+        data[existing.length] = add;
+        return data;
     }
 
 }
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