diff --git a/testing/include/gz/common/testing/CMakeTestPaths.hh b/testing/include/gz/common/testing/CMakeTestPaths.hh
index 40c1d7c1..19fef93f 100644
--- a/testing/include/gz/common/testing/CMakeTestPaths.hh
+++ b/testing/include/gz/common/testing/CMakeTestPaths.hh
@@ -28,7 +28,7 @@ namespace gz::common::testing
 ///
 /// It is not intended that users will directly construct this, but rather
 /// utilize the TestPathFactory.
-class CMakeTestPaths: public TestPaths
+class GZ_COMMON_TESTING_VISIBLE CMakeTestPaths: public TestPaths
 {
   /// \brief Constructor
   /// \param[in] _projectSourcePath Path to the root of the project source
diff --git a/testing/include/gz/common/testing/TestPaths.hh b/testing/include/gz/common/testing/TestPaths.hh
index 00f95f52..a7d76a1a 100644
--- a/testing/include/gz/common/testing/TestPaths.hh
+++ b/testing/include/gz/common/testing/TestPaths.hh
@@ -55,7 +55,6 @@ enum class GZ_COMMON_TESTING_VISIBLE BuildType
   kBazel
 };
 
-
 //////////////////////////////////////////////////
 /// \brief Helper interface to generate path information to support
 /// test access to source/data files
@@ -83,6 +82,7 @@ class GZ_COMMON_TESTING_VISIBLE TestPaths
   public: virtual bool TestTmpPath(std::string &_tmpDir) = 0;
 
 GZ_UTILS_WARN_IGNORE__DLL_INTERFACE_MISSING
+  /// \brief Path to the root of the project source
   protected: std::string projectSourcePath;
 GZ_UTILS_WARN_RESUME__DLL_INTERFACE_MISSING
 };
diff --git a/testing/src/CMakeTestPaths_TEST.cc b/testing/src/CMakeTestPaths_TEST.cc
index fb5047a0..b9730ff4 100644
--- a/testing/src/CMakeTestPaths_TEST.cc
+++ b/testing/src/CMakeTestPaths_TEST.cc
@@ -61,10 +61,10 @@ TEST(CMakeTestPaths, TestBuildType)
 /////////////////////////////////////////////////
 TEST(CMakeTestPaths, ProjectSourcePath)
 {
-  auto testPaths = TestPathFactory(kTestingProjectSourceDir);
+  gz::common::testing::CMakeTestPaths testPaths;
 
   std::string sourceDir;
-  ASSERT_TRUE(testPaths->ProjectSourcePath(sourceDir));
+  ASSERT_TRUE(testPaths.ProjectSourcePath(sourceDir));
   ASSERT_FALSE(sourceDir.empty());
   ASSERT_TRUE(exists(sourceDir)) << sourceDir;
   ASSERT_TRUE(isDirectory(sourceDir));
@@ -81,10 +81,10 @@ TEST(CMakeTestPaths, ProjectSourcePath)
 /////////////////////////////////////////////////
 TEST(CMakeTestPaths, TestTmpPath)
 {
-  auto testPaths = TestPathFactory(kTestingProjectSourceDir);
+  gz::common::testing::CMakeTestPaths testPaths;
 
   std::string tmpDir;
-  ASSERT_TRUE(testPaths->TestTmpPath(tmpDir));
+  ASSERT_TRUE(testPaths.TestTmpPath(tmpDir));
   ASSERT_FALSE(tmpDir.empty());
   ASSERT_TRUE(exists(tmpDir)) << tmpDir;
   ASSERT_TRUE(isDirectory(tmpDir));