Fix plugin tests not running after upgrade to gradle 7

Author: LunNova

gradle-plugin/build.gradle.kts

@@ -10,9 +10,20 @@ plugins {
 apply(from = "groovy.gradle")
 
 dependencies {
+	testImplementation(platform("org.spockframework:spock-bom:2.0-groovy-3.0"))
+	testImplementation("org.spockframework:spock-core")
+	testImplementation("org.spockframework:spock-junit4")
+	testImplementation("junit:junit:4.13.2")
+
 	val lombok = "org.projectlombok:lombok:1.18.20"
 	compileOnly(lombok)
 	testCompileOnly(lombok)
 	annotationProcessor(lombok)
 	testAnnotationProcessor(lombok)
 }
+
+tasks.withType<Test>().configureEach {
+	// Using JUnitPlatform for running tests
+	useJUnitPlatform()
+}
+

gradle-plugin/groovy.gradle

@@ -22,12 +22,6 @@ shadowJar {
 dependencies {
 	//compileOnly 'com.google.guava:guava:25.1-jre' // bundled with gradle
 	implementation parent
-	testImplementation('org.spockframework:spock-core:2.0-groovy-3.0') {
-		exclude module: 'groovy-all'
-	}
-	testImplementation('org.spockframework:spock-junit4:2.0-groovy-3.0') {
-		exclude module: 'groovy-all'
-	}
 	testImplementation('io.github.classgraph:classgraph:4.8.59')
 }
 

gradle-plugin/src/test/groovy/dev/minco/test/BuildLogicFunctionalTest.groovy

@@ -59,6 +59,8 @@ class BuildLogicFunctionalTest extends Specification {
 		where:
 		gradleVersion | maxJdkVersion
 		null | null
+		// JDK 16
+		"7.1.1" | JavaVersion.VERSION_16
 		// first version with JDK 15 support
 		"6.7.1" | JavaVersion.VERSION_15
 		// first version with working @Nested in a managed type