Add test for simple character class match

Author: dr0i

src/test/java/org/culturegraph/mf/morph/MetamorphTest.xml

@@ -147,7 +147,7 @@
 		</result>
 	</test-case>
 
-			<test-case name="[abc] simple character class match">
+	<test-case name="[abc] simple character class match">
 		<input type="text/x-cg+xml">
 			<cgxml:cgxml version="1.0">
 				<cgxml:records>