Clean up Widgets

* Move /Widgets/Live/* to /Live/*
* Move /Widgets/Prompt/* to /Prompts/*
* Move tests and expectations to match the new locations

test/Spectre.Console.Tests/Unit/Live/StatusTests.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Spectre.Console.Testing;
+using Spectre.Verify.Extensions;
+using VerifyXunit;
+using Xunit;
+
+namespace Spectre.Console.Tests.Unit
+{
+    [UsesVerify]
+    [ExpectationPath("Live/Status")]
+    public sealed class StatusTests
+    {
+        public sealed class DummySpinner1 : Spinner
+        {
+            public override TimeSpan Interval => TimeSpan.FromMilliseconds(100);
+            public override bool IsUnicode => true;
+            public override IReadOnlyList<string> Frames => new List<string> { "*", };
+        }
+
+        public sealed class DummySpinner2 : Spinner
+        {
+            public override TimeSpan Interval => TimeSpan.FromMilliseconds(100);
+            public override bool IsUnicode => true;
+            public override IReadOnlyList<string> Frames => new List<string> { "-", };
+        }
+
+        [Fact]
+        [Expectation("Render")]
+        public Task Should_Render_Status_Correctly()
+        {
+            // Given
+            var console = new TestConsole()
+                .Colors(ColorSystem.TrueColor)
+                .Width(10)
+                .Interactive()
+                .EmitAnsiSequences();
+
+            var status = new Status(console)
+            {
+                AutoRefresh = false,
+                Spinner = new DummySpinner1(),
+            };
+
+            // When
+            status.Start("foo", ctx =>
+            {
+                ctx.Refresh();
+                ctx.Spinner(new DummySpinner2());
+                ctx.Status("bar");
+                ctx.Refresh();
+                ctx.Spinner(new DummySpinner1());
+                ctx.Status("baz");
+            });
+
+            // Then
+            return Verifier.Verify(console.Output);
+        }
+    }
+}