Use Bridges.runtests in bridges tests

[blegat]

See #819 (comment)

Variables:

• flip_sign_bridge.jl [Bridges] add tests for Variable bridges #1896
• free_bridge.jl
• rsoc_to_soc.jl
• rsoc_to_psd.jl
• soc_to_rsoc.jl
• vectorize.jl
• zeros_bridge.jl

Constraint

• det.jl
• flip_sign.jl
• functionize.jl
• geomean.jl
• geomean_to_relentr.jl
• indicator_activate_on_zero.jl [Bridges] add tests and functionality for IndicatorActiveOnFalseBridge #1897
• indicator_sos.jl [Bridges] add more runtests #1895
• interval.jl [Bridges] add more runtests #1895
• ltgt_to_interval.jl [Bridges] add more runtests #1895
• norm_infinity.jl [Bridges] add more runtests #1895
• norm_one.jl [Bridges] add more runtests #1895
• norm_spec_nuc_to_psd.jl
• quad_to_soc.jl
• relentr_to_exp.jl
• rsoc_soc.jl
• scalarize.jl [Bridges] add more runtests #1895
• semi_to_binary.jl
• slack.jl
• soc_rsoc.jl
• soc_to_nonconvex_quad.jl
• soc_to_psd.jl
• square.jl
• vectorize.jl
• zero_one.jl

Objective

• functionize.jl
• slack.jl

[odow]

This is greatly improved by

MathOptInterface.jl/test/Bridges/Constraint/soc_to_nonconvex_quad.jl

Lines 140 to 166 in 8d4d998

	function test_runtests()
	MOI.Bridges.runtests(
	MOI.Bridges.Constraint.SOCtoNonConvexQuadBridge,
	"""
	variables: t, x, y
	[t, x, y] in SecondOrderCone(3)
	""",
	"""
	variables: t, x, y
	1.0 * x * x + 1.0 * y * y + -1.0 * t * t <= 0.0
	1.0 * t >= 0.0
	""",
	)
	MOI.Bridges.runtests(
	MOI.Bridges.Constraint.RSOCtoNonConvexQuadBridge,
	"""
	variables: t, u, x
	[t, u, x] in RotatedSecondOrderCone(3)
	""",
	"""
	variables: t, u, x
	1.0 * x * x + -2.0 * t * u <= 0.0
	1.0 * t >= 0.0
	1.0 * u >= 0.0
	""",
	)
	return

.

But we still need a solution for variable bridges.

[odow]

Closing this as done. I've gone through every bridge, tidied them up, added docstrings, and added more tests. They're in a much better state now!