Fix temp test

pom.xml

@@ -69,7 +69,9 @@
           <release>15</release>
           <showWarnings>true</showWarnings>
           <showDeprecation>true</showDeprecation>
-          <compilerArgs>--enable-preview</compilerArgs>
+          <compilerArgs>
+            <arg>--enable-preview</arg>
+          </compilerArgs>
         </configuration>
       </plugin>
       
@@ -78,7 +80,7 @@
         <artifactId>maven-surefire-plugin</artifactId>
         <version>3.0.0-M5</version>
         <configuration>
-          <compilerArgs>--enable-preview</compilerArgs>
+          <argLine>--enable-preview</argLine>
         </configuration>
       </plugin>
 

src/main/java/module-info.java

@@ -4,7 +4,6 @@ module app {
 	requires javafx.fxml;
 	requires javafx.graphics;
   requires org.fxmisc.richtext;
-  requires org.junit.jupiter.api;
 
   exports app;
 }

src/test/java/app/MainTest.java

@@ -5,7 +5,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.DisplayName;
 
-public class MainTest {
+class MainTest {
 
   @Test
   @DisplayName("Temp Test")