diff --git a/InterfaceGenerator.Tests/SameName/SameNameClass.1.cs b/InterfaceGenerator.Tests/SameName/SameNameClass.1.cs
new file mode 100644
index 0000000..e3906f2
--- /dev/null
+++ b/InterfaceGenerator.Tests/SameName/SameNameClass.1.cs
@@ -0,0 +1,12 @@
+// ReSharper disable CheckNamespace
+namespace InterfaceGenerator.Tests.SameName_1;
+
+/// <summary>
+/// A class with the same name as <see cref="SameName_2.SameNameClass"/>. It exists to test if the generated source units have fully
+/// qualified names.
+/// </summary>
+[GenerateAutoInterface]
+internal class SameNameClass : ISameNameClass
+{
+    
+}
\ No newline at end of file
diff --git a/InterfaceGenerator.Tests/SameName/SameNameClass.2.cs b/InterfaceGenerator.Tests/SameName/SameNameClass.2.cs
new file mode 100644
index 0000000..9147b4f
--- /dev/null
+++ b/InterfaceGenerator.Tests/SameName/SameNameClass.2.cs
@@ -0,0 +1,8 @@
+// ReSharper disable CheckNamespace
+namespace InterfaceGenerator.Tests.SameName_2;
+
+[GenerateAutoInterface]
+internal class SameNameClass : ISameNameClass
+{
+    
+}
\ No newline at end of file