no longer explicitly print some things in white (JuliaLang/julia#42864)

(cherry picked from commit 5eae688)

src/Test.jl

@@ -932,7 +932,7 @@ record(ts::DefaultTestSet, t::Pass) = (ts.n_passed += 1; t)
 # but do not terminate. Print a backtrace.
 function record(ts::DefaultTestSet, t::Union{Fail, Error})
     if TESTSET_PRINT_ENABLE[]
-        printstyled(ts.description, ": ", color=:white)
+        print(ts.description, ": ")
         # don't print for interrupted tests
         if !(t isa Error) || t.test_type !== :test_interrupted
             print(t)
@@ -991,7 +991,7 @@ function print_test_results(ts::DefaultTestSet, depth_pad=0)
     align = max(get_alignment(ts, 0), length("Test Summary:"))
     # Print the outer test set header once
     pad = total == 0 ? "" : " "
-    printstyled(rpad("Test Summary:", align, " "), " |", pad; bold=true, color=:white)
+    printstyled(rpad("Test Summary:", align, " "), " |", pad; bold=true)
     if pass_width > 0
         printstyled(lpad("Pass", pass_width, " "), "  "; bold=true, color=:green)
     end