diff --git a/src/Server_TEST.cc b/src/Server_TEST.cc
index 59879223b5..6a95bf93b9 100644
--- a/src/Server_TEST.cc
+++ b/src/Server_TEST.cc
@@ -1108,9 +1108,9 @@ TEST_P(ServerFixture, AddResourcePaths)
 /////////////////////////////////////////////////
 TEST_P(ServerFixture, ResolveResourcePaths)
 {
-  ignition::common::setenv("IGN_GAZEBO_RESOURCE_PATH", "");
-  ignition::common::setenv("SDF_PATH", "");
-  ignition::common::setenv("IGN_FILE_PATH", "");
+  common::setenv("IGN_GAZEBO_RESOURCE_PATH", "");
+  common::setenv("SDF_PATH", "");
+  common::setenv("IGN_FILE_PATH", "");
 
   ServerConfig serverConfig;
   gazebo::Server server(serverConfig);
@@ -1143,10 +1143,10 @@ TEST_P(ServerFixture, ResolveResourcePaths)
         });
 
   // Make sure the resource path is clear
-  ignition::common::setenv("IGN_GAZEBO_RESOURCE_PATH", "");
+  common::setenv("IGN_GAZEBO_RESOURCE_PATH", "");
 
-  // An absolute path should return the same absolute path
-  test(PROJECT_SOURCE_PATH, PROJECT_SOURCE_PATH, true);
+  // A valid path should be returned as an absolute path
+  test(PROJECT_SOURCE_PATH, common::absPath(PROJECT_SOURCE_PATH), true);
 
   // An absolute path, with the file:// prefix, should return the absolute path
   test(std::string("file://") +
@@ -1168,7 +1168,7 @@ TEST_P(ServerFixture, ResolveResourcePaths)
 
   // The model:// URI should not resolve
   test("model://include_nested/model.sdf", "", false);
-  ignition::common::setenv("IGN_GAZEBO_RESOURCE_PATH",
+  common::setenv("IGN_GAZEBO_RESOURCE_PATH",
       common::joinPaths(PROJECT_SOURCE_PATH, "test", "worlds", "models"));
   // The model:// URI should now resolve because the RESOURCE_PATH has been
   // updated.
diff --git a/src/SystemLoader_TEST.cc b/src/SystemLoader_TEST.cc
index 8d3882ec35..57832ff421 100644
--- a/src/SystemLoader_TEST.cc
+++ b/src/SystemLoader_TEST.cc
@@ -21,6 +21,7 @@
 #include <sdf/World.hh>
 
 #include <ignition/common/Filesystem.hh>
+#include <ignition/common/SystemPaths.hh>
 #include "ignition/gazebo/System.hh"
 #include "ignition/gazebo/SystemLoader.hh"
 
@@ -93,13 +94,13 @@ TEST(SystemLoader, PluginPaths)
   for (const auto &s : paths)
   {
     // the returned path string may not be exact match due to extra '/'
-    // appended at the end of the string. So use absPath to generate
-    // a path string that matches the format returned by joinPaths
-    if (common::absPath(s) == testBuildPath)
+    // appended at the end of the string. So use NormalizeDirectoryPath
+    if (common::SystemPaths::NormalizeDirectoryPath(s) ==
+        common::SystemPaths::NormalizeDirectoryPath(testBuildPath))
     {
       hasPath = true;
       break;
     }
   }
-  EXPECT_TRUE(hasPath);
+  EXPECT_TRUE(hasPath) << testBuildPath;
 }