converter -> to add "Amalthea" as root node for models having sub-model elements as Root node (e.g: hwModel or swModel etc.,)
diff --git a/tests/org.eclipse.app4mc.amalthea.converters.071.test/TestModels/input/nonAmaltheaRootTag/stimuli.amxmi b/tests/org.eclipse.app4mc.amalthea.converters.071.test/TestModels/input/nonAmaltheaRootTag/stimuli.amxmi
new file mode 100644
index 0000000..4f13e0a
--- /dev/null
+++ b/tests/org.eclipse.app4mc.amalthea.converters.071.test/TestModels/input/nonAmaltheaRootTag/stimuli.amxmi
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<am:StimuliModel xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:am="http://app4mc.eclipse.org/amalthea/0.7.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <stimuli xsi:type="am:ArrivalCurve">
+    <customProperties/>
+    <disablingModeValueList>
+      <entries/>
+    </disablingModeValueList>
+  </stimuli>
+  <clocks xsi:type="am:ClockSinusFunction"/>
+</am:StimuliModel>