VariableEntry implements Serializable, Comparable<VariableEntry> { public void setKey(String key) { this.key = key; } VariableEntry();  VariableEntry(String key, String value); void setKey(String key); void setValue(String value); String getKey(); String getValue(); @Override int hashCode(); @Override boolean equals(Object arg); @Override String toString(); @Override int compareTo(VariableEntry o);  }
@Test public void testSetKey_1() throws Exception { VariableEntry fixture = new VariableEntry("", ""); String key = ""; fixture.setKey(key); }