Add unit tests

Test/FixHighCpuInSearchResultsTest.cs

@@ -0,0 +1,56 @@
+using KeePassTrayIconLockState.Fixes;
+using System.Windows.Forms;
+
+namespace Test;
+
+public class FixHighCpuInSearchResultsTest {
+
+    [Fact]
+    public void returnEarlyOnIsGroupViewEnabledMessage() {
+        Message isGroupViewEnabled      = Message.Create(IntPtr.Zero, 0x10AF, IntPtr.Zero, IntPtr.Zero);
+        bool    continueMethodExecution = FixHighCpuInSearchResults.ignoreIsGroupViewEnabled(ref isGroupViewEnabled);
+        continueMethodExecution.Should().BeFalse();
+    }
+
+    [Theory]
+    [InlineData(0x7)]
+    [InlineData(0x8)]
+    [InlineData(0xB)]
+    [InlineData(0xF)]
+    [InlineData(0x14)]
+    [InlineData(0x3D)]
+    [InlineData(0x4E)]
+    [InlineData(0x7C)]
+    [InlineData(0x7D)]
+    [InlineData(0x281)]
+    [InlineData(0x282)]
+    [InlineData(0x1009)]
+    [InlineData(0x100C)]
+    [InlineData(0x100E)]
+    [InlineData(0x101D)]
+    [InlineData(0x101F)]
+    [InlineData(0x1027)]
+    [InlineData(0x102B)]
+    [InlineData(0x102C)]
+    [InlineData(0x102F)]
+    [InlineData(0x1030)]
+    [InlineData(0x1032)]
+    [InlineData(0x1043)]
+    [InlineData(0x104B)]
+    [InlineData(0x104D)]
+    [InlineData(0x1053)]
+    [InlineData(0x1074)]
+    [InlineData(0x108F)]
+    [InlineData(0x1091)]
+    [InlineData(0x109D)]
+    [InlineData(0x10A1)]
+    [InlineData(0x10C1)]
+    [InlineData(0x204E)]
+    [InlineData(0xC1AB)]
+    public void continueOnOtherMessages(int message) {
+        Message isGroupViewEnabled      = Message.Create(IntPtr.Zero, message, IntPtr.Zero, IntPtr.Zero);
+        bool    continueMethodExecution = FixHighCpuInSearchResults.ignoreIsGroupViewEnabled(ref isGroupViewEnabled);
+        continueMethodExecution.Should().BeTrue("0:{0} is not 0x10AF", message.ToString("X"));
+    }
+
+}