Fix issue 2286: class properties would allow empty class names.

matthew_swift

22.33.2007 e6e55855e28f061ad6662ac45373e56e6770307d

 opends/tests/unit-tests-testng/src/server/org/opends/server/admin/ClassPropertyDefinitionTest.java

@@ -93,6 +93,9 @@
  public Object[][] createBuilderAddInstanceOfData2() {
    return new Object[][]{
            { "1" },
            { "" },
            { " " },
            { "  " },
            { "abc." },
            { "abc.123" },
            { "abc.123$" },