Customize test failure display

[gdalle]

There are a few options listed here:

Define test error message programmatically

Is there a way for a test to display a custom error message, without giving up on the nice display of numerical values equality / comparison tests? The workaround in Custom error message from @test macro is only a partial solution for this: julia> using Test julia> x, y = 1, 2; julia> msg = "The test failed for this reason: ..."; julia> @test x == y # numerical values, no message displayed Test Failed at REPL[16]:1 Expression: x == y Evaluated: 1 == 2 ERROR: There was an error during…