Bug 442754 - Refactor the test harness for semantic highlightings

Change-Id: I649b80e96f87481802c6b2f29029ed42bdb491a8
Signed-off-by: Nathan Ridge <zeratul976@hotmail.com>
Reviewed-on: https://git.eclipse.org/r/35518
Tested-by: Hudson CI
Reviewed-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Tested-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Bug 379626 - Incorrect syntax coloring of dependent method call

Change-Id: Id1b327a814d91ff88984362402666a9e640248f5
Signed-off-by: Nathan Ridge <zeratul976@hotmail.com>
Reviewed-on: https://git.eclipse.org/r/35519
Reviewed-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Tested-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>