diff --git a/src/test/java/com/yetanalytics/ConfigParserTest.java b/src/test/java/com/yetanalytics/ConfigParserTest.java
index 1a67e15..2b2a5df 100644
--- a/src/test/java/com/yetanalytics/ConfigParserTest.java
+++ b/src/test/java/com/yetanalytics/ConfigParserTest.java
@@ -24,6 +24,7 @@
 import org.junit.jupiter.api.io.TempDir;
 import org.portico.impl.hla1516e.types.encoding.HLA1516eEncoderFactory;
 
+import com.yetanalytics.extension.SuppressTestLogging;
 import com.yetanalytics.hlaxapi.FOMXML;
 import com.yetanalytics.hlaxapi.HLADecoderRegistry;
 import com.yetanalytics.hlaxapi.HLAEncodingTestSupport;
@@ -473,6 +474,7 @@ public ValueResolution handleLookup(CachedObject object, Target attrTarget, Inje
     }
 
     @Test
+    @SuppressTestLogging({"com.yetanalytics.hlaxapi.TriggerProcessor"})
     public void lookupInjectionMissingObjectHonorsRequiredOption() {
         InjectionHandler ih = new InjectionHandler() {
             @Override
@@ -500,6 +502,7 @@ public Optional<CachedObject> resolveLookup(ObjectLookup lookup, InjectionContex
     }
 
     @Test
+    @SuppressTestLogging({"com.yetanalytics.hlaxapi.TriggerProcessor"})
     public void lookupInjectionMissingValueHonorsRequiredButNotNullable() {
         CachedObject matchedObject = new CachedObject(7, "object-7", "Predator", "SimEntity");
         InjectionHandler ih = new InjectionHandler() {
@@ -535,6 +538,7 @@ public ValueResolution handleLookup(CachedObject object, Target attrTarget, Inje
     }
 
     @Test
+    @SuppressTestLogging({"com.yetanalytics.hlaxapi.TriggerProcessor"})
     public void lookupInjectionPresentNullAbortsByDefaultAndRendersWhenNullable() {
         CachedObject matchedObject = new CachedObject(7, "object-7", "Predator", "SimEntity");
         InjectionHandler ih = new InjectionHandler() {
@@ -576,6 +580,7 @@ public ValueResolution handleLookup(CachedObject object, Target attrTarget, Inje
     }
 
     @Test
+    @SuppressTestLogging({"com.yetanalytics.hlaxapi.TriggerProcessor"})
     public void queryAndThisMissingValuesHonorRequiredOption() {
         InjectionHandler ih = new InjectionHandler() {
             @Override
diff --git a/src/test/java/com/yetanalytics/extension/SuppressTestLogging.java b/src/test/java/com/yetanalytics/extension/SuppressTestLogging.java
new file mode 100644
index 0000000..5f784ef
--- /dev/null
+++ b/src/test/java/com/yetanalytics/extension/SuppressTestLogging.java
@@ -0,0 +1,14 @@
+package com.yetanalytics.extension;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+@Target(ElementType.METHOD)
+@Retention(RetentionPolicy.RUNTIME)
+@ExtendWith(SuppressTestLoggingExtension.class)
+public @interface SuppressTestLogging {
+    String[] value();
+}
diff --git a/src/test/java/com/yetanalytics/extension/SuppressTestLoggingExtension.java b/src/test/java/com/yetanalytics/extension/SuppressTestLoggingExtension.java
new file mode 100644
index 0000000..bae382b
--- /dev/null
+++ b/src/test/java/com/yetanalytics/extension/SuppressTestLoggingExtension.java
@@ -0,0 +1,48 @@
+package com.yetanalytics.extension;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+
+import org.apache.logging.log4j.Level;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.core.LoggerContext;
+import org.apache.logging.log4j.core.config.Configuration;
+import org.apache.logging.log4j.core.config.Configurator;
+import org.junit.jupiter.api.extension.AfterTestExecutionCallback;
+import org.junit.jupiter.api.extension.BeforeTestExecutionCallback;
+import org.junit.jupiter.api.extension.ExtensionContext;
+
+public class SuppressTestLoggingExtension implements BeforeTestExecutionCallback, AfterTestExecutionCallback {
+
+    private Map<String, Level> originalLevels;
+
+    @Override
+    public void beforeTestExecution(ExtensionContext context) throws Exception {
+        // If a Test has this annotation, get any declared classes and store their current log level
+        // in originalLevels and then turn them off
+        LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
+        Configuration config = ctx.getConfiguration();
+        originalLevels = new HashMap<String, Level>();
+        getAnnotation(context).ifPresent(annotation -> {
+            String[] targetClasses = annotation.value();
+            for(int i = 0; i < targetClasses.length; i++) {
+                String targetClass = targetClasses[i];
+                Level originalLevel = config.getLoggerConfig(targetClass).getLevel();
+                originalLevels.put(targetClass, originalLevel);
+                Configurator.setLevel(targetClass, Level.OFF);
+            }
+        });
+    }
+
+    @Override
+    public void afterTestExecution(ExtensionContext context) throws Exception {
+        // Return everything to normal
+        Configurator.setLevel(originalLevels);
+    }
+
+    private Optional<SuppressTestLogging> getAnnotation(ExtensionContext context) {
+        return context.getTestMethod().map(method -> method.getAnnotation(SuppressTestLogging.class));
+    }
+    
+}
diff --git a/src/test/java/com/yetanalytics/hlaxapi/XapiClientTest.java b/src/test/java/com/yetanalytics/hlaxapi/XapiClientTest.java
index df939bd..4b242e2 100644
--- a/src/test/java/com/yetanalytics/hlaxapi/XapiClientTest.java
+++ b/src/test/java/com/yetanalytics/hlaxapi/XapiClientTest.java
@@ -12,6 +12,7 @@
 
 import org.junit.jupiter.api.Test;
 
+import com.yetanalytics.extension.SuppressTestLogging;
 import com.yetanalytics.hlaxapi.config.XapiConfig;
 import com.yetanalytics.hlaxapi.config.model.LrsConfig;
 import com.yetanalytics.hlaxapi.exception.StatementValidationException;
@@ -57,7 +58,6 @@ class XapiClientTest {
             }
             """;
 
-
     @Test
     void buffersStatementFromJsonString() throws Exception {
         XapiClient xapiClient = new XapiClient(config(4, 1), new StatementValidator());
@@ -68,13 +68,14 @@ void buffersStatementFromJsonString() throws Exception {
     }
 
     @Test
+    @SuppressTestLogging({"com.yetanalytics.hlaxapi.XapiClient"})
     void rejectsInvalidStatementJson() {
         XapiClient xapiClient = new XapiClient(config(4, 1), new StatementValidator());
-
         assertThrows(StatementValidationException.class, () -> xapiClient.sendStatement("{"));
     }
 
     @Test
+    @SuppressTestLogging({"com.yetanalytics.hlaxapi.XapiClient"})
     void rejectsInvalidStatementXApi() {
         XapiClient xapiClient = new XapiClient(config(4, 1), new StatementValidator());
 
@@ -101,6 +102,7 @@ void clearBufferPostsBufferedStatementsAndClearsBuffer() throws Exception {
     }
 
     @Test
+    @SuppressTestLogging({"com.yetanalytics.hlaxapi.XapiClient"})
     void clearBufferKeepsStatementsWhenClientErrorsBeforeMaxRetries() throws Exception {
         XapiClient xapiClient = new XapiClient(config(4, 1), new StatementValidator());
         FakeStatementClient fakeClient = new FakeStatementClient();
@@ -116,6 +118,7 @@ void clearBufferKeepsStatementsWhenClientErrorsBeforeMaxRetries() throws Excepti
     }
 
     @Test
+    @SuppressTestLogging({"com.yetanalytics.hlaxapi.XapiClient"})
     void clearBufferClearsStatementsAfterMaxRetries() throws Exception {
         XapiClient xapiClient = new XapiClient(config(4, 1), new StatementValidator());
         FakeStatementClient fakeClient = new FakeStatementClient();
diff --git a/src/test/java/com/yetanalytics/hlaxapi/injection/XapiValueGeneratorTest.java b/src/test/java/com/yetanalytics/hlaxapi/injection/XapiValueGeneratorTest.java
index 6d76ab6..80fda73 100644
--- a/src/test/java/com/yetanalytics/hlaxapi/injection/XapiValueGeneratorTest.java
+++ b/src/test/java/com/yetanalytics/hlaxapi/injection/XapiValueGeneratorTest.java
@@ -7,6 +7,12 @@
 import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+import org.portico.impl.hla1516e.types.encoding.HLA1516eEncoderFactory;
+
+import com.yetanalytics.extension.SuppressTestLogging;
 import com.yetanalytics.hlaxapi.FOMXML;
 import com.yetanalytics.hlaxapi.HLADecoderRegistry;
 import com.yetanalytics.hlaxapi.InjectionHandler;
@@ -14,14 +20,11 @@
 import com.yetanalytics.hlaxapi.TriggerProcessor;
 import com.yetanalytics.hlaxapi.TriggerProcessor.TriggerProcessingResult;
 import com.yetanalytics.hlaxapi.config.model.StatementTrigger;
-import com.yetanalytics.hlaxapi.config.model.Target;
 import com.yetanalytics.hlaxapi.config.model.StatementTrigger.Type;
+import com.yetanalytics.hlaxapi.config.model.Target;
 import com.yetanalytics.xapi.util.StatementValidator;
 import com.yetanalytics.xapi.util.StatementValidator.StatementValidationResult;
 
-import java.util.List;
-import org.junit.jupiter.api.Test;
-import org.portico.impl.hla1516e.types.encoding.HLA1516eEncoderFactory;
 
 class XapiValueGeneratorTest {
 
@@ -215,6 +218,7 @@ private record XapiValidationTestEntry (String statement, InjectionContext ic, b
     );
 
     @Test
+    @SuppressTestLogging({"com.yetanalytics.hlaxapi.TriggerProcessor"})
     void validationInjectionTests() {
         SimulationConfig simConfig = new SimulationConfig(null, null, null, null,
                 "config/HlaFedereplFOM.xml");