Sadly the "technical test" aspect is often an esoteric collection on irrelevant tecno-obscurities unearthed by the incumbent alpha geek
Senior Developers shouldn't just have a top level appreciation of what ever framework they use, they should know it, inside out, back to front and be prepared to lecture about the subject!!!!!
You can have thos in your team, I prefer developers who can communicate, and know how to find knoweldge quickly, as and when, required.. not some wierd anorak wearing uber geek with the personality and communication skills of a turnip.
You can have thos in your team, I prefer developers who can communicate, and know how to find knoweldge quickly, as and when, required.. not some wierd anorak wearing uber geek with the personality and communication skills of a turnip.

Sadly the "technical test" aspect is often an esoteric collection on irrelevant tecno-obscurities unearthed by the incumbent alpha geek.
By showing that you have a proper understanding of the underlying technologies, rather than having read a few tutorials on the library's website