### Question:
PrefixedConfig implements Serializable { public String getPrefix() { return prefix; }  String getPrefix(); void setPrefix(String prefix); int getCompletionConfig(); void setCompletionConfig(int completionConfig);  }### Answer:
@Test public void testGetPrefix() throws Exception { classUnderTest.setPrefix("aTestString"); assertEquals("aTestString", classUnderTest.getPrefix()); }