Describe the bug
Running ./gradlew build results in junit import errors:

/home/pkovacs/github/TooTallNate/Java-WebSocket/src/test/java/org/java_websocket/exceptions/InvalidEncodingExceptionTest.java:28: error: package org.junit.jupiter.api does not exist
import org.junit.jupiter.api.Test;
...

To Reproduce
Steps to reproduce the behavior:

1. Run ./gradlew build

Example application to reproduce the issue
https://github.com/TooTallNate/Java-WebSocket

Expected behavior
Accept imports, run the tests

Debug log
N/A

Environment(please complete the following information):

• Version used: 1ed042e
• Java version: Java 8, Java 21
• Operating System and version: Linux blr9 6.11.0-17-generic #17~24.04.2-Ubuntu SMP PREEMPT_DYNAMIC Mon Jan 20 22:48:29 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
• Endpoint Name and version: N/A
• Link to your project: N/A

Additional context
The following changes to build.gradle fix the issue:

diff --git a/build.gradle b/build.gradle
index 3c47235..3306ad4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -39,3 +39,8 @@ dependencies {
     testImplementation group: 'org.slf4j', name: 'slf4j-simple', version: '2.0.15'
-    testImplementation group: 'org.junit', name: 'junit-bom', version: '5.11.4', ext: 'pom'
+    testImplementation 'org.junit.jupiter:junit-jupiter:5.9.2'
+}
+
+tasks.named('test') {
+    // Use JUnit Platform for unit tests.
+    useJUnitPlatform()
 }

(I am not creating a PR, because the patch above reflects how I create my java projects for use with gradle, but I am not a gradle-expert, so I may be missing something.)