diff --git a/org.hl7.fhir.utilities/src/test/java/org/hl7/fhir/utilities/npm/FilesystemPackageManagerTests.java b/org.hl7.fhir.utilities/src/test/java/org/hl7/fhir/utilities/npm/FilesystemPackageManagerTests.java
index 470e3cde8..3d4bd0dda 100644
--- a/org.hl7.fhir.utilities/src/test/java/org/hl7/fhir/utilities/npm/FilesystemPackageManagerTests.java
+++ b/org.hl7.fhir.utilities/src/test/java/org/hl7/fhir/utilities/npm/FilesystemPackageManagerTests.java
@@ -7,6 +7,7 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
 
 import javax.annotation.Nonnull;
 
@@ -104,32 +105,35 @@ public class FilesystemPackageManagerTests {
   }
 
   @Test
-  public void multithreadTest() throws IOException {
-    String pcmPath = Files.createTempDirectory("pcm-multithreadTest").toFile().getAbsolutePath();
+  public void multithreadingTest() throws IOException {
+    String pcmPath = Files.createTempDirectory("fpcm-multithreadingTest").toFile().getAbsolutePath();
     FilesystemPackageCacheManager pcm = new FilesystemPackageCacheManager(pcmPath);
-    
+
+    final AtomicInteger totalSuccessful = new AtomicInteger();
+
     List<Thread> threads = new ArrayList<>();
-    for (int i = 0 ; i < 3 ; i++) {
+    for (int i = 0; i < 3; i++) {
       final int index = i;
       Thread t = new Thread(() -> {
-
-		try {
-		  pcm.loadPackage("hl7.fhir.r4.core#4.0.1");
-		  System.out.println("Thread " + index + " completed");
-		} catch (Exception e) {
-		  e.printStackTrace();
-		  System.err.println("Thread " + index + " failed");
-		}
-	  });
+        try {
+          pcm.loadPackage("hl7.fhir.r4.core#4.0.1");
+          totalSuccessful.incrementAndGet();
+          System.out.println("Thread " + index + " completed");
+        } catch (Exception e) {
+          e.printStackTrace();
+          System.err.println("Thread " + index + " failed");
+        }
+      });
       t.start();
       threads.add(t);
     }
-      threads.forEach(t -> {
-        try {
-          t.join();
-        } catch (InterruptedException e) {
+    threads.forEach(t -> {
+      try {
+        t.join();
+      } catch (InterruptedException e) {
 
-        }
-      });
+      }
+    });
+    assertEquals(3, totalSuccessful.get());
   }
 }