diff --git a/build.gradle b/build.gradle
index 0e1e063..02a3903 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,6 +13,12 @@ subprojects {
         mavenCentral()
     }
 
+    test {
+        testLogging {
+            exceptionFormat = 'full'
+        }
+    }
+
     task javadocJar(type: Jar) {
         classifier = 'javadoc'
         from javadoc
diff --git a/networking/src/test/java/ch/dissem/bitmessage/networking/NetworkHandlerTest.java b/networking/src/test/java/ch/dissem/bitmessage/networking/NetworkHandlerTest.java
index 7ba8fc4..ee437e1 100644
--- a/networking/src/test/java/ch/dissem/bitmessage/networking/NetworkHandlerTest.java
+++ b/networking/src/test/java/ch/dissem/bitmessage/networking/NetworkHandlerTest.java
@@ -104,7 +104,7 @@ public class NetworkHandlerTest {
                 10);
         t.join();
         assertEquals(3, nodeInventory.getInventory().size());
-        assertEquals(3, peerInventory.getInventory().size());
+        assertInventorySize(3, peerInventory);
     }
 
     @Test(timeout = 5_000)
@@ -121,7 +121,7 @@ public class NetworkHandlerTest {
                 10);
         t.join();
         assertEquals(2, nodeInventory.getInventory().size());
-        assertEquals(2, peerInventory.getInventory().size());
+        assertInventorySize(2, peerInventory);
     }
 
     @Test(timeout = 10_000)
@@ -137,7 +137,7 @@ public class NetworkHandlerTest {
                 10);
         t.join();
         assertEquals(1, nodeInventory.getInventory().size());
-        assertEquals(1, peerInventory.getInventory().size());
+        assertInventorySize(1, peerInventory);
     }
 
     private void shutdown(BitmessageContext node) {
@@ -146,4 +146,12 @@ public class NetworkHandlerTest {
             Thread.yield();
         } while (node.isRunning());
     }
+
+    private void assertInventorySize(int expected, TestInventory inventory) throws InterruptedException {
+        long timeout = System.currentTimeMillis() + 1000;
+        while (expected != inventory.getInventory().size() && System.currentTimeMillis() < timeout) {
+            Thread.sleep(10);
+        }
+        assertEquals(expected, inventory.getInventory().size());
+    }
 }