void () { myFixture.addFileToProject("messages_de.properties", """ message.width=120 message.height=keine Zahl message.alignment=CENTER_LEFT """); // invalid value in both resource files // invalid value in one resource file myFixture.addFileToProject("messages_fr.properties", """ message.width=130 message.height=non un nombre message.alignment=valeur non valide message.text=le message """); // the key exists here, but doesn't in the other file doTest(); }