diff --git a/build.gradle b/build.gradle
index 399b3f4c..0cb8cc8d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,11 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 plugins {
     id 'java-library'
     id 'maven-publish'
     id 'checkstyle'
     id 'com.gradleup.shadow' version '8.3.5'
+    id "org.jetbrains.kotlin.jvm" version "2.0.21"
 }
 
 version = System.getenv('GITHUB_VERSION') ?: 'local'
@@ -14,11 +17,23 @@ compileJava {
     targetCompatibility = JavaVersion.VERSION_17
 }
 
-// todo: Enable test when convert them to use mockbukkit like mv-core
-compileTestJava {
+compileKotlin {
+    // We're not using Kotlin in the plugin itself, just tests!
     enabled = false
 }
 
+compileTestJava {
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
+}
+
+compileTestKotlin {
+    compilerOptions {
+        jvmTarget.set(JvmTarget.JVM_21)
+        javaParameters.set(true)
+    }
+}
+
 repositories {
     mavenLocal()
     mavenCentral()
@@ -55,7 +70,7 @@ repositories {
 
 dependencies {
     // Spigot
-    implementation('org.spigotmc:spigot-api:1.21.4-R0.1-SNAPSHOT') {
+    compileOnly('org.spigotmc:spigot-api:1.21.3-R0.1-SNAPSHOT') {
         exclude group: 'junit', module: 'junit'
     }
 
@@ -63,6 +78,7 @@ dependencies {
     // TODO update to correct version once we have it published
     implementation 'org.mvplugins.multiverse.core:multiverse-core:5.0.0-SNAPSHOT'
 
+
     // Config
     api 'com.dumptruckman.minecraft:JsonConfiguration:1.2-SNAPSHOT'
     api 'net.minidev:json-smart:2.5.1'
@@ -82,9 +98,18 @@ dependencies {
     }
 
     // Tests
-    testImplementation 'com.github.MilkBowl:VaultAPI:1.7.1'
-    testImplementation 'junit:junit:4.13.2'
-    testImplementation 'org.mockito:mockito-core:3.11.2'
+    testImplementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8:2.0.21'
+    testImplementation 'org.mockbukkit.mockbukkit:mockbukkit-v1.21:4.24.1'
+    testImplementation 'org.jetbrains.kotlin:kotlin-test'
+    testImplementation 'com.natpryce:hamkrest:1.8.0.1'
+    testImplementation 'org.mockito.kotlin:mockito-kotlin:4.1.0'
+
+    // hk2 for annotation processing only
+    compileOnly('org.glassfish.hk2:hk2-api:3.0.3') {
+        exclude group: '*', module: '*'
+    }
+    annotationProcessor 'org.glassfish.hk2:hk2-metadata-generator:3.0.3'
+    testAnnotationProcessor 'org.glassfish.hk2:hk2-metadata-generator:3.0.3'
 }
 
 
@@ -97,11 +122,16 @@ tasks.withType(JavaCompile).configureEach {
     options.encoding = 'UTF-8'
 }
 
+tasks.withType(JavaCompile) {
+    configure(options) {
+        options.compilerArgs << '-Aorg.glassfish.hk2.metadata.location=META-INF/hk2-locator/Multiverse-Inventories'
+    }
+}
+
 tasks.withType(Javadoc).configureEach {
     options.encoding = 'UTF-8'
 }
 
-
 configurations {
     [apiElements, runtimeElements].each {
         it.outgoing.artifacts.removeIf { it.buildDependencies.getDependencies(null).contains(jar) }
@@ -109,25 +139,10 @@ configurations {
     }
 }
 
-publishing {
-    publications {
-        maven(MavenPublication) {
-            from components.java
-        }
-    }
-    repositories {
-        maven {
-            name = "GitHubPackages"
-            url = "https://maven.pkg.github.com/Multiverse/Multiverse-Inventories"
-            credentials {
-                username = System.getenv("GITHUB_ACTOR")
-                password = System.getenv("GITHUB_TOKEN")
-            }
-        }
-    }
+configurations.findAll { !it.name.startsWith('test') }.each {
+    it.exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-jdk8'
 }
 
-
 processResources {
     def props = [version: "${project.version}"]
     inputs.properties props
@@ -141,20 +156,17 @@ processResources {
     outputs.upToDateWhen { false }
 }
 
-
 checkstyle {
     toolVersion = '6.1.1'
     configFile file('config/mv_checks.xml')
     ignoreFailures = true
 }
 
-
 javadoc {
     source = sourceSets.main.allJava
     classpath = configurations.compileClasspath
 }
 
-
 project.configurations.api.canBeResolved = true
 
 shadowJar {
@@ -162,23 +174,42 @@ shadowJar {
     relocate 'com.dumptruckman.minecraft.util.DebugLog', 'org.mvplugins.multiverse.inventories.utils.DebugFileLogger'
     relocate 'com.dumptruckman.bukkit.configuration', 'org.mvplugins.multiverse.inventories.utils.configuration'
     relocate 'io.papermc.lib', 'org.mvplugins.multiverse.inventories.utils.paperlib'
-    relocate 'net.minidev.json', 'org.mvplugins.multiverse.inventories.utils.json'
+    relocate 'net.minidev', 'org.mvplugins.multiverse.inventories.utils.minidev'
 
     configurations = [project.configurations.api]
 
     archiveClassifier.set('')
+
+    dependencies {
+        exclude(dependency {
+            it.moduleGroup == 'org.jetbrains.kotlin'
+        })
+        exclude(dependency {
+            it.moduleGroup == 'org.jetbrains'
+        })
+        exclude(dependency {
+            it.moduleGroup == 'org.ow2.asm'
+        })
+    }
 }
 
 build.dependsOn shadowJar
 jar.enabled = false
 
-tasks.register('runHabitatGenerator', JavaExec) {
-    classpath = configurations["compileClasspath"]
-    mainClass.set('org.mvplugins.multiverse.external.jvnet.hk2.generator.HabitatGenerator')
-
-    args = [
-            '--file', "build/libs/multiverse-inventories-$version" + ".jar",
-            '--locator', 'Multiverse-Inventories',
-    ]
+publishing {
+    publications {
+        maven(MavenPublication) {
+            from components.java
+        }
+    }
+    repositories {
+        maven {
+            name = "GitHubPackages"
+            url = "https://maven.pkg.github.com/Multiverse/Multiverse-Inventories"
+            credentials {
+                username = System.getenv("GITHUB_ACTOR")
+                password = System.getenv("GITHUB_TOKEN")
+            }
+        }
+    }
 }
-tasks.named("build") { finalizedBy("runHabitatGenerator") }
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/InventoriesListener.java b/src/main/java/org/mvplugins/multiverse/inventories/InventoriesListener.java
index b43672cb..0368614a 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/InventoriesListener.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/InventoriesListener.java
@@ -1,6 +1,7 @@
 package org.mvplugins.multiverse.inventories;
 
 import com.dumptruckman.minecraft.util.Logging;
+import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.core.api.event.MVConfigReloadEvent;
 import org.mvplugins.multiverse.core.api.event.MVDebugModeEvent;
 import org.mvplugins.multiverse.core.api.event.MVDumpsDebugInfoEvent;
@@ -36,7 +37,6 @@
 import org.bukkit.inventory.InventoryHolder;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
-import org.mvplugins.multiverse.external.jvnet.hk2.annotations.Service;
 import uk.co.tggl.pluckerpluck.multiinv.MultiInv;
 
 import java.io.File;
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/MultiverseInventories.java b/src/main/java/org/mvplugins/multiverse/inventories/MultiverseInventories.java
index 5cb5d99b..78901866 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/MultiverseInventories.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/MultiverseInventories.java
@@ -32,7 +32,7 @@
 import org.mvplugins.multiverse.core.inject.PluginServiceLocator;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jakarta.inject.Provider;
-import org.mvplugins.multiverse.external.jvnet.hk2.annotations.Service;
+import org.jvnet.hk2.annotations.Service;
 import org.mvplugins.multiverse.external.vavr.control.Try;
 import uk.co.tggl.pluckerpluck.multiinv.MultiInv;
 
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/MultiverseInventoriesPluginBinder.java b/src/main/java/org/mvplugins/multiverse/inventories/MultiverseInventoriesPluginBinder.java
index 9f00d4e1..69dfbed1 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/MultiverseInventoriesPluginBinder.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/MultiverseInventoriesPluginBinder.java
@@ -1,5 +1,6 @@
 package org.mvplugins.multiverse.inventories;
 
+import org.bukkit.plugin.Plugin;
 import org.mvplugins.multiverse.core.inject.binder.JavaPluginBinder;
 import org.mvplugins.multiverse.core.submodules.MVPlugin;
 import org.mvplugins.multiverse.external.glassfish.hk2.utilities.binding.ScopedBindingBuilder;
@@ -14,6 +15,6 @@ protected MultiverseInventoriesPluginBinder(@NotNull MultiverseInventories plugi
     @Override
     protected ScopedBindingBuilder<MultiverseInventories> bindPluginClass
             (ScopedBindingBuilder<MultiverseInventories> bindingBuilder) {
-        return super.bindPluginClass(bindingBuilder).to(MVPlugin.class).to(MultiverseInventories.class);
+        return super.bindPluginClass(bindingBuilder).to(Plugin.class).to(MVPlugin.class).to(MultiverseInventories.class);
     }
 }
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/commands/GroupCommand.java b/src/main/java/org/mvplugins/multiverse/inventories/commands/GroupCommand.java
index bfc587a1..e3eb632a 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/commands/GroupCommand.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/commands/GroupCommand.java
@@ -14,7 +14,7 @@
 import org.mvplugins.multiverse.external.acf.commands.annotation.Subcommand;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
-import org.mvplugins.multiverse.external.jvnet.hk2.annotations.Service;
+import org.jvnet.hk2.annotations.Service;
 
 @Service
 @CommandAlias("mvinv")
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/commands/InfoCommand.java b/src/main/java/org/mvplugins/multiverse/inventories/commands/InfoCommand.java
index b2945e23..8d548a38 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/commands/InfoCommand.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/commands/InfoCommand.java
@@ -18,7 +18,7 @@
 import org.mvplugins.multiverse.external.acf.commands.annotation.Syntax;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
-import org.mvplugins.multiverse.external.jvnet.hk2.annotations.Service;
+import org.jvnet.hk2.annotations.Service;
 
 import java.util.List;
 import java.util.Set;
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/commands/ListCommand.java b/src/main/java/org/mvplugins/multiverse/inventories/commands/ListCommand.java
index 0cb68940..3c7a5b47 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/commands/ListCommand.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/commands/ListCommand.java
@@ -11,7 +11,7 @@
 import org.mvplugins.multiverse.external.acf.commands.annotation.Subcommand;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
-import org.mvplugins.multiverse.external.jvnet.hk2.annotations.Service;
+import org.jvnet.hk2.annotations.Service;
 
 import java.util.Collection;
 
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/commands/ReloadCommand.java b/src/main/java/org/mvplugins/multiverse/inventories/commands/ReloadCommand.java
index f60e8fae..0d6b6483 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/commands/ReloadCommand.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/commands/ReloadCommand.java
@@ -10,7 +10,7 @@
 import org.mvplugins.multiverse.external.acf.commands.annotation.Subcommand;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
-import org.mvplugins.multiverse.external.jvnet.hk2.annotations.Service;
+import org.jvnet.hk2.annotations.Service;
 
 @Service
 @CommandAlias("mvinv")
diff --git a/src/main/java/org/mvplugins/multiverse/inventories/commands/ToggleCommand.java b/src/main/java/org/mvplugins/multiverse/inventories/commands/ToggleCommand.java
index c83821ae..afd70136 100644
--- a/src/main/java/org/mvplugins/multiverse/inventories/commands/ToggleCommand.java
+++ b/src/main/java/org/mvplugins/multiverse/inventories/commands/ToggleCommand.java
@@ -16,7 +16,7 @@
 import org.mvplugins.multiverse.external.acf.commands.annotation.Syntax;
 import org.mvplugins.multiverse.external.jakarta.inject.Inject;
 import org.mvplugins.multiverse.external.jetbrains.annotations.NotNull;
-import org.mvplugins.multiverse.external.jvnet.hk2.annotations.Service;
+import org.jvnet.hk2.annotations.Service;
 
 @Service
 @CommandAlias("mvinv")
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/FlatFileDataHelper.java b/src/old-test/java/org/mvplugins/multiverse/inventories/FlatFileDataHelper.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/FlatFileDataHelper.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/FlatFileDataHelper.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/TestCommands.java b/src/old-test/java/org/mvplugins/multiverse/inventories/TestCommands.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/TestCommands.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/TestCommands.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/TestCommentedYamlConfiguration.java b/src/old-test/java/org/mvplugins/multiverse/inventories/TestCommentedYamlConfiguration.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/TestCommentedYamlConfiguration.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/TestCommentedYamlConfiguration.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/TestPerformance.java b/src/old-test/java/org/mvplugins/multiverse/inventories/TestPerformance.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/TestPerformance.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/TestPerformance.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/TestPlayerNameChange.java b/src/old-test/java/org/mvplugins/multiverse/inventories/TestPlayerNameChange.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/TestPlayerNameChange.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/TestPlayerNameChange.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/TestResetWorld.java b/src/old-test/java/org/mvplugins/multiverse/inventories/TestResetWorld.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/TestResetWorld.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/TestResetWorld.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/TestWSharableAPI.java b/src/old-test/java/org/mvplugins/multiverse/inventories/TestWSharableAPI.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/TestWSharableAPI.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/TestWSharableAPI.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/TestWorldChanged.java b/src/old-test/java/org/mvplugins/multiverse/inventories/TestWorldChanged.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/TestWorldChanged.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/TestWorldChanged.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/util/MVTestLogFormatter.java b/src/old-test/java/org/mvplugins/multiverse/inventories/util/MVTestLogFormatter.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/util/MVTestLogFormatter.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/util/MVTestLogFormatter.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/util/MockItemMeta.java b/src/old-test/java/org/mvplugins/multiverse/inventories/util/MockItemMeta.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/util/MockItemMeta.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/util/MockItemMeta.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/util/MockPlayerFactory.java b/src/old-test/java/org/mvplugins/multiverse/inventories/util/MockPlayerFactory.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/util/MockPlayerFactory.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/util/MockPlayerFactory.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/util/MockPlayerInventory.java b/src/old-test/java/org/mvplugins/multiverse/inventories/util/MockPlayerInventory.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/util/MockPlayerInventory.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/util/MockPlayerInventory.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/util/MockWorldFactory.java b/src/old-test/java/org/mvplugins/multiverse/inventories/util/MockWorldFactory.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/util/MockWorldFactory.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/util/MockWorldFactory.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/util/TestInstanceCreator.java b/src/old-test/java/org/mvplugins/multiverse/inventories/util/TestInstanceCreator.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/util/TestInstanceCreator.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/util/TestInstanceCreator.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/util/Util.java b/src/old-test/java/org/mvplugins/multiverse/inventories/util/Util.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/util/Util.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/util/Util.java
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/util/WorldCreatorMatcher.java b/src/old-test/java/org/mvplugins/multiverse/inventories/util/WorldCreatorMatcher.java
similarity index 100%
rename from src/test/java/org/mvplugins/multiverse/inventories/util/WorldCreatorMatcher.java
rename to src/old-test/java/org/mvplugins/multiverse/inventories/util/WorldCreatorMatcher.java
diff --git a/src/test/resources/mockito-extensions/org.mockito.plugins.MockMaker b/src/old-test/resources/mockito-extensions/org.mockito.plugins.MockMaker
similarity index 100%
rename from src/test/resources/mockito-extensions/org.mockito.plugins.MockMaker
rename to src/old-test/resources/mockito-extensions/org.mockito.plugins.MockMaker
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/MockBukkitTest.kt b/src/test/java/org/mvplugins/multiverse/inventories/MockBukkitTest.kt
new file mode 100644
index 00000000..b2bc5c84
--- /dev/null
+++ b/src/test/java/org/mvplugins/multiverse/inventories/MockBukkitTest.kt
@@ -0,0 +1,12 @@
+package org.mvplugins.multiverse.inventories
+
+import kotlin.test.Test
+import kotlin.test.assertNotNull
+
+open class MockBukkitTest : TestWithMockBukkit() {
+
+    @Test
+    fun `MockBukkit loads the plugin`() {
+        assertNotNull(multiverseInventories)
+    }
+}
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/TestWithMockBukkit.kt b/src/test/java/org/mvplugins/multiverse/inventories/TestWithMockBukkit.kt
new file mode 100644
index 00000000..329e60a9
--- /dev/null
+++ b/src/test/java/org/mvplugins/multiverse/inventories/TestWithMockBukkit.kt
@@ -0,0 +1,79 @@
+package org.mvplugins.multiverse.inventories
+
+import com.dumptruckman.minecraft.util.Logging
+import org.bukkit.Location
+import org.bukkit.configuration.MemorySection
+import org.bukkit.configuration.file.YamlConfiguration
+import org.mockbukkit.mockbukkit.MockBukkit
+import org.mvplugins.multiverse.core.MultiverseCore
+import org.mvplugins.multiverse.core.inject.PluginServiceLocator
+import org.mvplugins.multiverse.core.utils.TestingMode
+import org.mvplugins.multiverse.inventories.mock.MVServerMock
+import kotlin.test.*
+
+/**
+ * Basic abstract test class that sets up MockBukkit and MultiverseCore.
+ */
+abstract class TestWithMockBukkit {
+
+    protected lateinit var server: MVServerMock
+    protected lateinit var multiverseCore: MultiverseCore
+    protected lateinit var multiverseInventories: MultiverseInventories
+    protected lateinit var serviceLocator : PluginServiceLocator
+
+    @BeforeTest
+    fun setUpMockBukkit() {
+        TestingMode.enable()
+        server = MockBukkit.mock(MVServerMock())
+        multiverseCore = MockBukkit.load(MultiverseCore::class.java)
+        multiverseInventories = MockBukkit.load(MultiverseInventories::class.java)
+        Logging.setDebugLevel(3)
+        serviceLocator = multiverseInventories.serviceLocator
+        assertNotNull(server.commandMap)
+    }
+
+    @AfterTest
+    fun tearDownMockBukkit() {
+        MockBukkit.unmock()
+    }
+
+    fun getResourceAsText(path: String): String? = object {}.javaClass.getResource(path)?.readText()
+
+    fun assertConfigEquals(expectedPath: String, actualPath: String) {
+        val actualString = multiverseInventories.dataFolder.toPath().resolve(actualPath).toFile().readText()
+        val expectedString = getResourceAsText(expectedPath)
+        assertNotNull(expectedString)
+
+        val actualYaml = YamlConfiguration()
+        actualYaml.loadFromString(actualString)
+        val actualYamlKeys = HashSet(actualYaml.getKeys(true))
+
+        val expectedYaml = YamlConfiguration()
+        expectedYaml.loadFromString(expectedString)
+        val expectedYamlKeys = HashSet(expectedYaml.getKeys(true))
+
+        for (key in expectedYamlKeys) {
+            assertNotNull(actualYamlKeys.remove(key), "Key $key is missing in actual config")
+            val actualValue = actualYaml.get(key)
+            if (actualValue is MemorySection) {
+                continue
+            }
+            assertEquals(expectedYaml.get(key), actualYaml.get(key), "Value for $key is different.")
+        }
+        for (key in actualYamlKeys) {
+            assertNull(actualYaml.get(key), "Key $key is present in actual config when it should be empty.")
+        }
+
+        assertEquals(0, actualYamlKeys.size,
+            "Actual config has more keys than expected config. The following keys are missing: $actualYamlKeys")
+    }
+
+    fun assertLocationEquals(expected: Location?, actual: Location?) {
+        assertEquals(expected?.world, actual?.world, "Worlds don't match for location comparison ($expected, $actual)")
+        assertEquals(expected?.x, actual?.x, "X values don't match for location comparison ($expected, $actual)")
+        assertEquals(expected?.y, actual?.y, "Y values don't match for location comparison ($expected, $actual)")
+        assertEquals(expected?.z, actual?.z, "Z values don't match for location comparison ($expected, $actual)")
+        assertEquals(expected?.yaw, actual?.yaw, "Yaw values don't match for location comparison ($expected, $actual)")
+        assertEquals(expected?.pitch, actual?.pitch, "Pitch values don't match for location comparison ($expected, $actual)")
+    }
+}
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/mock/MVServerMock.java b/src/test/java/org/mvplugins/multiverse/inventories/mock/MVServerMock.java
new file mode 100644
index 00000000..de3c872f
--- /dev/null
+++ b/src/test/java/org/mvplugins/multiverse/inventories/mock/MVServerMock.java
@@ -0,0 +1,53 @@
+package org.mvplugins.multiverse.inventories.mock;
+
+import org.bukkit.World;
+import org.bukkit.WorldCreator;
+import org.jetbrains.annotations.NotNull;
+import org.mockbukkit.mockbukkit.ServerMock;
+import org.mockbukkit.mockbukkit.command.CommandMapMock;
+import org.mockbukkit.mockbukkit.world.WorldMock;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
+public class MVServerMock extends ServerMock {
+
+    private final File worldContainer;
+
+    public MVServerMock() throws IOException {
+        super();
+        this.worldContainer = Files.createTempDirectory("world-container").toFile();
+        this.worldContainer.deleteOnExit();
+        System.out.println("Created test world folder: " + this.worldContainer.getAbsolutePath());
+    }
+
+    // This is required for acf reflection to work
+    @Override
+    public @NotNull CommandMapMock getCommandMap() {
+        return super.getCommandMap();
+    }
+
+    @Override
+    public @NotNull File getWorldContainer() {
+        return this.worldContainer;
+    }
+
+    @Override
+    public World createWorld(@NotNull WorldCreator creator) {
+        WorldMock world = new MVWorldMock(creator);
+        world.getWorldFolder().mkdirs();
+        createFile(new File(world.getWorldFolder(), "uid.dat"));
+        createFile(new File(world.getWorldFolder(), "level.dat"));
+        addWorld(world);
+        return world;
+    }
+
+    private void createFile(File file) {
+        try {
+            file.createNewFile();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
diff --git a/src/test/java/org/mvplugins/multiverse/inventories/mock/MVWorldMock.java b/src/test/java/org/mvplugins/multiverse/inventories/mock/MVWorldMock.java
new file mode 100644
index 00000000..2082645e
--- /dev/null
+++ b/src/test/java/org/mvplugins/multiverse/inventories/mock/MVWorldMock.java
@@ -0,0 +1,28 @@
+package org.mvplugins.multiverse.inventories.mock;
+
+import org.bukkit.WorldCreator;
+import org.jetbrains.annotations.NotNull;
+import org.mockbukkit.mockbukkit.MockBukkit;
+import org.mockbukkit.mockbukkit.world.WorldMock;
+
+import java.io.File;
+
+public class MVWorldMock extends WorldMock {
+
+    private final File worldFolder;
+
+    public MVWorldMock(@NotNull WorldCreator creator) {
+        super(creator);
+        this.worldFolder = new File(MockBukkit.getMock().getWorldContainer(), getName());
+    }
+
+    @Override
+    public @NotNull File getWorldFolder() {
+        return this.worldFolder;
+    }
+
+    @Override
+    public String toString() {
+        return "MVWorldMock{'name': '" + this.getName() + "'}";
+    }
+}