diff --git a/pom.xml b/pom.xml
index 8eeeea8..b2848cb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -62,7 +62,7 @@
                 <version>2.22.2</version>
                 <configuration>
                     <rerunFailingTestsCount>10</rerunFailingTestsCount>
-                    <argLine>-Xms1g -Xmx1g</argLine>
+                    <argLine>-Xms768m -Xmx768m</argLine>
                 </configuration>
             </plugin>
             <plugin>
@@ -117,7 +117,7 @@
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-surefire-plugin</artifactId>
                         <configuration>
-                            <argLine> --add-opens java.base/java.nio=ALL-UNNAMED </argLine>
+                            <argLine>-Xms768m -Xmx768m --add-opens java.base/java.nio=ALL-UNNAMED</argLine>
                         </configuration>
                     </plugin>
 
diff --git a/src/test/java/bwapi/SynchronizationTest.java b/src/test/java/bwapi/SynchronizationTest.java
index 43cd14f..56536de 100644
--- a/src/test/java/bwapi/SynchronizationTest.java
+++ b/src/test/java/bwapi/SynchronizationTest.java
@@ -175,7 +175,9 @@ public void async_MeasurePerformance_CopyingToBuffer() {
                 .build();
         SynchronizationEnvironment environment = new SynchronizationEnvironment(config);
         environment.runGame(20);
-        final double minObserved = 0.25;
+        assertTrue("Copy to buffer: minimum must be positive",
+                environment.metrics().getCopyingToBuffer().getRunningTotal().getMin() > 0);
+        final double minObserved = 0;
         final double maxObserved = 15;
         final double meanObserved = (minObserved + maxObserved) / 2;
         final double rangeObserved = (maxObserved - minObserved) / 2;