added automatic keyword assignment support to test macro (#38270)

* added automatic keyword assignment support to @test macro

* added some tests for test macro using atol keyword

* x = a.x syntax support added

* Update stdlib/Test/src/Test.jl

Co-authored-by: Simeon Schaub <simeondavidschaub99@gmail.com>

Co-authored-by: Simeon Schaub <simeondavidschaub99@gmail.com>

stdlib/Test/src/Test.jl

@@ -487,6 +487,10 @@ function get_test_result(ex, source)
                     push!(escaped_kwargs, Expr(:call, :(=>), QuoteNode(a.args[1]), esc(a.args[2])))
                 elseif isa(a, Expr) && a.head === :...
                     push!(escaped_kwargs, Expr(:..., esc(a.args[1])))
+                elseif isa(a, Expr) && a.head === :.
+                    push!(escaped_kwargs, Expr(:call, :(=>), QuoteNode(a.args[2].value), esc(Expr(:., a.args[1], QuoteNode(a.args[2].value)))))
+                elseif isa(a, Symbol)
+                    push!(escaped_kwargs, Expr(:call, :(=>), QuoteNode(a), esc(a)))
                 end
             end
         end

stdlib/Test/test/runtests.jl

@@ -8,6 +8,8 @@ using Distributed: RemoteException
 import Logging: Debug, Info, Warn
 
 @testset "@test" begin
+    atol = 1
+    a = (; atol=2)
     @test true
     @test 1 == 1
     @test 1 != 2
@@ -20,11 +22,16 @@ import Logging: Debug, Info, Warn
     @test isapprox(1, 1, atol=0.1)
     @test isapprox(1, 1; atol=0.1)
     @test isapprox(1, 1; [(:atol, 0)]...)
+    @test isapprox(1, 2; atol)
+    @test isapprox(1, 3; a.atol)
 end
 @testset "@test keyword precedence" begin
+    atol = 2
     # post-semicolon keyword, suffix keyword, pre-semicolon keyword
     @test isapprox(1, 2, atol=0) atol=1
     @test isapprox(1, 3, atol=0; atol=2) atol=1
+    @test isapprox(1, 2, atol=0; atol)
+    @test isapprox(1, 3, atol=0; atol) atol=1
 end
 @testset "@test should only evaluate the arguments once" begin
     g = Int[]