diff --git a/build.gradle.kts b/build.gradle.kts
index ae456b2..0dd4425 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,6 @@
 plugins {
     java
+    jacoco
     `java-library`
     `maven-publish`
 }
@@ -17,6 +18,11 @@ dependencies {
     api(libs.minestom)
     compileOnly(libs.junit.params)
     compileOnly(libs.junit.api)
+
+    testImplementation(libs.junit.api)
+    testImplementation(libs.junit.params)
+    testImplementation(libs.junit.platform.launcher)
+    testRuntimeOnly(libs.junit.engine)
 }
 
 tasks {
@@ -24,6 +30,14 @@ tasks {
         options.encoding = "UTF-8"
         options.release.set(21)
     }
+
+    test {
+        useJUnitPlatform()
+        jvmArgs("-Dminestom.inside-test=true")
+        testLogging {
+            events("passed", "skipped", "failed")
+        }
+    }
 }
 
 publishing {
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 38a9c17..de03684 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -7,13 +7,17 @@ dependencyResolutionManagement {
 
     versionCatalogs {
         create("libs") {
-            version("minestom", "a1d1920a04")
-            version("junit-jupiter", "5.13.2")
+            version("minestom", "2025.07.03-1.21.5")
+            version("junit", "5.13.2")
+            version("junit.platform", "1.13.1")
 
-            library("minestom","net.minestom", "minestom-snapshots").versionRef("minestom")
+            library("minestom","net.minestom", "minestom").versionRef("minestom")
+
+            library("junit.api", "org.junit.jupiter", "junit-jupiter-api").versionRef("junit")
+            library("junit.params", "org.junit.jupiter", "junit-jupiter-params").versionRef("junit")
+            library("junit.engine", "org.junit.jupiter", "junit-jupiter-engine").versionRef("junit")
+            library("junit.platform.launcher", "org.junit.platform", "junit-platform-launcher").versionRef("junit.platform")
 
-            library("junit-api", "org.junit.jupiter", "junit-jupiter-api").versionRef("junit-jupiter")
-            library("junit-params", "org.junit.jupiter", "junit-jupiter-params").versionRef("junit-jupiter")
         }
     }
 }
diff --git a/src/test/java/net/minestom/testing/TestPlayerIntegrationTest.java b/src/test/java/net/minestom/testing/TestPlayerIntegrationTest.java
new file mode 100644
index 0000000..46ae8f6
--- /dev/null
+++ b/src/test/java/net/minestom/testing/TestPlayerIntegrationTest.java
@@ -0,0 +1,29 @@
+package net.minestom.testing;
+
+import net.minestom.server.coordinate.Pos;
+import net.minestom.server.entity.Player;
+import net.minestom.server.instance.Instance;
+import net.minestom.testing.extension.MicrotusExtension;
+import org.jetbrains.annotations.NotNull;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@ExtendWith(MicrotusExtension.class)
+class TestPlayerIntegrationTest {
+
+    @Test
+    void testCustomPlayerCreation(@NotNull Env env) {
+        Instance instance = env.createFlatInstance();
+        assertNotNull(instance);
+        Player player = env.createPlayer(instance);
+        assertNotNull(player, "Player should not be null after creation");
+        assertInstanceOf(Player.class, player, "Player should be an instance of Player class");
+        assertInstanceOf(TestPlayerImpl.class, player, "Player should be an instance of TestPlayerImpl class");
+        assertEquals(instance, player.getInstance(), "Player should be in the created instance");
+        assertEquals(Pos.ZERO, player.getPosition(), "Player should start at position (0, 0, 0)");
+        assertEquals("RandName", player.getUsername(), "Player should have a random name");
+    }
+
+}
\ No newline at end of file