Some solutions for the julia path

julia/lasagna/runtests.jl

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+using Test
+
+include("lasagna.jl")
+
+@testset verbose = true "tests" begin
+    
+    @testset "expected bake time" begin
+        @test expected_bake_time == 60
+        if VERSION > v"1.7"
+            @test isconst(@__MODULE__, :expected_bake_time) == true
+        end
+    end
+    
+    @testset "preparation time" begin
+        @test preparation_time(2) == 4
+        @test preparation_time(3) == 6
+        @test preparation_time(8) == 16
+    end
+
+    @testset "remaining time" begin
+        @test remaining_time(30) == 30
+        @test remaining_time(50) == 10
+        @test remaining_time(60) == 0
+    end
+
+    @testset "total working time" begin
+        @test total_working_time(3, 20) == 26
+    end
+end