Geron Raveneye
Explorer
Hmmm...you know, Randolpho...
...the point of the 1E Rules was to reflect the Dragonlance setting, not the other way around...otherwise, there wouldn´t have been so many new character classes in the sourcebook back then. The Knights, the WoHS, the Tinkerer and the Handler all were non-standard core classes back then, and such needed their own entries. The whole setting wasn´t so close to the 1E rules.
The Test at 3rd level definitely was a setting flavour...it didn´t have it´s roots in the 1E rule set, it was used to give the WoHS a flavour of their own, and to make it a challenge for wizard players to play a powerful wizard. And even if they weren´t of a certain colour until after the Test, they were taught by a Conclave wizard, who made sure they didn´t break the Conclave´s rules...you were part of the Orders from Day 1.
Same for the Knights...you could start out as 1st level Knight of the Crown...I guess that should be considered a core class.
There´s a few other "setting flavours" that might be warranted as a core class. The "Mariner" of the Sea Barbarians is one of them, for example.
Of course, the PHB core classes are generic...usable for every fantasy setting. That doesn´t mean that they cover all possible classes...only that they are a base upon which you can build more, if needed. I guess that´s why they suggest modifying the core classes into "variant classes" in the DM´s Guide, a tad before the "prestige classes" come into play.
After all, other worlds may have different core classes, a nice example is Rokugan...a few new core classes there, neh? 
...the point of the 1E Rules was to reflect the Dragonlance setting, not the other way around...otherwise, there wouldn´t have been so many new character classes in the sourcebook back then. The Knights, the WoHS, the Tinkerer and the Handler all were non-standard core classes back then, and such needed their own entries. The whole setting wasn´t so close to the 1E rules.
The Test at 3rd level definitely was a setting flavour...it didn´t have it´s roots in the 1E rule set, it was used to give the WoHS a flavour of their own, and to make it a challenge for wizard players to play a powerful wizard. And even if they weren´t of a certain colour until after the Test, they were taught by a Conclave wizard, who made sure they didn´t break the Conclave´s rules...you were part of the Orders from Day 1.
Same for the Knights...you could start out as 1st level Knight of the Crown...I guess that should be considered a core class.
There´s a few other "setting flavours" that might be warranted as a core class. The "Mariner" of the Sea Barbarians is one of them, for example.
Of course, the PHB core classes are generic...usable for every fantasy setting. That doesn´t mean that they cover all possible classes...only that they are a base upon which you can build more, if needed. I guess that´s why they suggest modifying the core classes into "variant classes" in the DM´s Guide, a tad before the "prestige classes" come into play.

