t0259.scala:4: error: double definition:
constructor TestCase3: (groups: (String, Int)*)test.TestCase3 at line 3 and
constructor TestCase3: (groups: String*)test.TestCase3 at line 4
have same type after erasure: (groups: Seq)test.TestCase3
  def this( groups: String*) = this()
      ^
one error found