This issue captures adding long vector exec tests for the Derivative and Quad operator intrinsics

The most recent Long Vector test plan document should be referenced when implementing: Long Vector Test Plan

Notes:

• The derivative ops are unary ops. Input and output type match.
• QuadReadLaneAt is a binary op as it also takes an index. Input type matches output type.
• All the other QuadReadLane ops are unary. Input type matches output type.
• Open question: Documentation makes it look like these are all float only ops. Confirm that.