additional test to check the case where the named config is in a relative subdirectory of repo root, and working is repo root

Author: pianomanjh

src/GitVersionCore.Tests/NamedConfigFileLocatorTests.cs

@@ -60,6 +60,18 @@ public void DoNotThrowWhenWorkingAndRepoPathsAreSame()
             Should.NotThrow(() => { configFileLocator.Verify(workingPath, repoPath, fileSystem); });
         }
 
+        [Test]
+        public void DoNotThrowWhenConfigFileIsInSubDirectoryOfRepoPath()
+        {
+            workingPath = DefaultRepoPath;
+
+            options = Options.Create(new Arguments { ConfigFile = "./src/my-config.yaml" });
+            configFileLocator = new NamedConfigFileLocator(fileSystem, log, options);
+            SetupConfigFileContent(string.Empty, path: workingPath);
+
+            Should.NotThrow(() => { configFileLocator.Verify(workingPath, repoPath); });
+        }
+
         [Test]
         public void NoWarnOnCustomYmlFile()
         {