Use target 11 for compileTest tasks

Author: piazzesiNiccolo-GS

build.gradle

@@ -60,11 +60,15 @@ allprojects { project ->
 			tasks.withType(JavaCompile).configureEach {
 				if (!it.name.contains("Test")) {
 					options.release = 8
+				} else {
+					options.release = 11
 				}
 			}
 			tasks.withType(KotlinCompile).configureEach {
 				if (!it.name.contains("Test")) {
 					it.compilerOptions.jvmTarget = JvmTarget.JVM_1_8
+				} else {
+					it.compilerOptions.jvmTarget = JvmTarget.JVM_11
 				}
 			}