Fix progress rendering bug

src/Spectre.Console.Tests/Expectations/ProgressTests.Foo.verified.txt

@@ -0,0 +1,5 @@
+                    
+foo ━━━ 0% -:--:-- ⣷
+bar ━━━ 0% -:--:-- ⣷
+baz ━━━ 0% -:--:-- ⣷
+                    

src/Spectre.Console.Tests/Tools/DummyCursor.cs

@@ -0,0 +1,17 @@
+namespace Spectre.Console.Tests
+{
+    public sealed class DummyCursor : IAnsiConsoleCursor
+    {
+        public void Move(CursorDirection direction, int steps)
+        {
+        }
+
+        public void SetPosition(int column, int line)
+        {
+        }
+
+        public void Show(bool show)
+        {
+        }
+    }
+}

src/Spectre.Console.Tests/Tools/PlainConsole.cs

@@ -11,7 +11,7 @@ namespace Spectre.Console.Tests
     {
         public Capabilities Capabilities { get; }
         public Encoding Encoding { get; }
-        public IAnsiConsoleCursor Cursor => throw new NotSupportedException();
+        public IAnsiConsoleCursor Cursor => new DummyCursor();
         public TestableConsoleInput Input { get; }
 
         public int Width { get; }

src/Spectre.Console.Tests/Tools/TestLinkIdentityGenerator.cs

@@ -1,4 +1,4 @@
-namespace Spectre.Console.Tests.Tools
+namespace Spectre.Console.Tests
 {
     public sealed class TestLinkIdentityGenerator : ILinkIdentityGenerator
     {

src/Spectre.Console.Tests/Tools/TestableAnsiConsole.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.IO;
 using System.Text;
 using Spectre.Console.Rendering;
-using Spectre.Console.Tests.Tools;
 
 namespace Spectre.Console.Tests
 {

src/Spectre.Console.Tests/Unit/ProgressTests.cs

@@ -1,8 +1,11 @@
+using System.Threading.Tasks;
 using Shouldly;
+using VerifyXunit;
 using Xunit;
 
 namespace Spectre.Console.Tests.Unit
 {
+    [UsesVerify]
     public sealed class ProgressTests
     {
         [Fact]
@@ -54,5 +57,35 @@ namespace Spectre.Console.Tests.Unit
                     "          \n" + // Bottom padding
                     "[?25h"); // show cursor
         }
+
+        [Fact]
+        public Task Foo()
+        {
+            // Given
+            var console = new PlainConsole(width: 20);
+
+            var progress = new Progress(console)
+                .Columns(new ProgressColumn[]
+                {
+                    new TaskDescriptionColumn(),
+                    new ProgressBarColumn(),
+                    new PercentageColumn(),
+                    new RemainingTimeColumn(),
+                    new SpinnerColumn(),
+                })
+                .AutoRefresh(false)
+                .AutoClear(false);
+
+            // When
+            progress.Start(ctx =>
+            {
+                ctx.AddTask("foo");
+                ctx.AddTask("bar");
+                ctx.AddTask("baz");
+            });
+
+            // Then
+            return Verifier.Verify(console.Output);
+        }
     }
 }