ci fixes (#401)

Author: t-bltg

.codecov.yml

@@ -0,0 +1,9 @@
+comment: false
+coverage:
+  status:
+    project: false
+    patch: false
+
+# docs.codecov.com/docs/github-checks#disabling-github-checks-patch-annotations
+github_checks:
+  annotations: false

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.10'  # oldest supported LTS (declared in Project.toml)
+          - 'lts'  # oldest compatible version declared in Project.toml
           - '1'
         experimental:
           - false

test/runtests.jl

@@ -39,6 +39,7 @@ test_ref(reference, actual) = @test_reference(
 )
 
 is_ci() = Base.get_bool_env("CI", false)
+is_pkgeval() = Base.get_bool_env("JULIA_PKGEVAL", false)
 
 # helpers
 

test/tst_io.jl

@@ -61,6 +61,7 @@ sombrero(x, y) = 30sinc(√(x^2 + y^2) / π)
 @testset "stringify plot - performance regression" begin
     nightly = occursin("DEV", string(VERSION))  # or length(VERSION.prerelease) < 2
     measure = Sys.islinux() && VERSION > v"1.10.0-" && !nightly
+    margin = is_pkgeval() ? 5 : 1  # apply a perf coefficient for slow runners
 
     let p = heatmap(collect(1:30) * collect(1:30)')
         @test string(p; color = true) isa String  # 1st pass - ttfp
@@ -69,7 +70,7 @@ sombrero(x, y) = 30sinc(√(x^2 + y^2) / π)
             GC.enable(false)
             stats = @timed string(p; color = true)  # repeated !
             @test stats.bytes / 1e3 < 500  # ~ 292kB on 1.11
-            @test stats.time * 1e3 < 0.8  # ~ 0.3ms on 1.11
+            @test stats.time * 1e3 < margin * 0.8  # ~ 0.3ms on 1.11
             GC.enable(true)
         end
     end
@@ -81,7 +82,7 @@ sombrero(x, y) = 30sinc(√(x^2 + y^2) / π)
             GC.enable(false)
             stats = @timed string(p; color = true)  # repeated !
             @test stats.bytes / 1e3 < 160  # ~ 123kB on 1.11
-            @test stats.time * 1e3 < 0.5  # ~ 0.2ms on 1.11
+            @test stats.time * 1e3 < margin * 0.5  # ~ 0.2ms on 1.11
             GC.enable(true)
         end
     end