updated shadow, added test dependencies for jmh and junit

build.gradle

@@ -1,6 +1,6 @@
 plugins {
-    id 'java'
-    id 'com.github.johnrengelman.shadow' version '5.2.0'
+	id 'java'
+	id 'com.github.johnrengelman.shadow' version '6.0.0'
 }
 
 group 'me.clip'
@@ -10,42 +10,58 @@ description 'PlaceholderAPI'
 sourceCompatibility = JavaVersion.VERSION_1_8
 
 repositories {
-    mavenLocal()
-    maven {
-        url = 'https://hub.spigotmc.org/nexus/content/repositories/snapshots/'
-    }
-    maven {
-        url = 'https://repo.codemc.org/repository/maven-public'
-    }
-    maven {
-        url = 'https://rayzr.dev/repo/'
-    }
-    maven {
-        url = 'http://repo.maven.apache.org/maven2'
-    }
+	mavenLocal()
+	maven {
+		url = 'https://hub.spigotmc.org/nexus/content/repositories/snapshots/'
+	}
+	maven {
+		url = 'https://repo.codemc.org/repository/maven-public'
+	}
+	maven {
+		url = 'https://rayzr.dev/repo/'
+	}
+	maven {
+		url = 'http://repo.maven.apache.org/maven2'
+	}
 }
 
 dependencies {
-    implementation 'com.google.code.gson:gson:2.8.5'
-    implementation 'org.bstats:bstats-bukkit:1.5'
-    implementation 'me.rayzr522:jsonmessage:1.2.1'
-    compileOnly 'org.spigotmc:spigot-api:1.16.1-R0.1-SNAPSHOT'
-    compileOnly 'org.jetbrains:annotations:19.0.0'
+	implementation 'com.google.code.gson:gson:2.8.5'
+	implementation 'org.bstats:bstats-bukkit:1.5'
+	implementation 'me.rayzr522:jsonmessage:1.2.1'
+	
+	compileOnly 'org.spigotmc:spigot-api:1.16.1-R0.1-SNAPSHOT'
+	compileOnly 'org.jetbrains:annotations:19.0.0'
+	
+	testImplementation 'org.openjdk.jmh:jmh-core:1.23'
+	testImplementation 'org.openjdk.jmh:jmh-generator-annprocess:1.23'
+	
+	testCompile "org.junit.jupiter:junit-jupiter-engine:5.6.2"
+	testRuntime "org.junit.jupiter:junit-jupiter-engine:5.6.2"
 }
 
 import org.apache.tools.ant.filters.ReplaceTokens
 
 processResources {
-    from(sourceSets.main.resources.srcDirs) {
-        filter ReplaceTokens, tokens: [name: rootProject.name, version: project.version, description: project.description]
-    }
+	from(sourceSets.main.resources.srcDirs) {
+		filter ReplaceTokens, tokens: [name: rootProject.name, version: project.version, description: project.description]
+	}
 }
 
 compileJava.options.encoding = 'UTF-8'
 
 shadowJar {
-    archiveClassifier.set("")
-    relocate "org.bstats", "me.clip.placeholderapi.metrics"
-    relocate "com.google.gson", "me.clip.placeholderapi.libs.gson"
-    relocate "me.rayzr522.jsonmessage", "me.clip.placeholderapi.libs.jsonmessage"
+	archiveClassifier.set("")
+	relocate "org.bstats", "me.clip.placeholderapi.metrics"
+	relocate "com.google.gson", "me.clip.placeholderapi.libs.gson"
+	relocate "me.rayzr522.jsonmessage", "me.clip.placeholderapi.libs.jsonmessage"
+}
+
+test {
+	useJUnitPlatform()
+}
+
+sourceSets {
+	test.compileClasspath += configurations.compileOnly
+	test.runtimeClasspath += configurations.compileOnly
 }