Hydration station not resurrecting correctly

I have been recently been testing a warrior deck which utilizes Chemical Spill in combination with various high cost taunt minions, namely Testing Dummy, Safety Expert and Tortolla.

However I have noticed that whenever I cast Hydration Station, the minions I summoned with Chemical Spill does not resurrect. The minions I played ‘manually’ however resurrects correctly. I have made sure that the minions that are not resurrected were not transformed etc. before dying, so that is definitely not the issue.

If this is not an actual bug, the only other thing causing this could be that the ‘different’ wording in Hydration Station refers to different types of minions, after which the wording should be corrected so that the way the mechanic works is clear and cant be misunderstood.

Below is my decklist if that serves as any help:

High IQ Warrior

Class: Warrior

Format: Standard

Year of the Raptor

2x (2) Shield Block

1x (3) All You Can Eat

1x (3) Boom Wrench

1x (3) Bulwark of Azzinoth

1x (3) Heavy Plate

1x (3) Overplanner

2x (3) Tortollan Traveler

1x (3) Wreck’em and Deck’em

1x (4) Nightmare Lord Xavius

2x (5) Chemical Spill

1x (5) Hostile Invader

1x (5) Puppetmaster Dorian

1x (5) Star Vulpera

1x (6) Hamm, the Hungry

2x (6) Testing Dummy

1x (7) Kil’jaeden

1x (8) Inventor Boom

1x (8) Mo’arg Forgefiend

1x (8) Sleep Under the Stars

1x (9) Ysera, Emerald Aspect

1x (0) Zilliax Deluxe 3000

1x (0) Zilliax Deluxe 3000

1x (4) Twin Module

1x (5) Perfect Module

1x (10) Hydration Station

2x (10) Safety Expert

1x (10) Tortolla

1x (100) The Ceaseless Expanse

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It would be more helpful if you could link a replay of such a game.

Safety Expert is not a Taunt minion…