Fix custom test tasks

Signed-off-by: Vsevolod Tolstopyatov <[email protected]>

Author: qwwdfsad

kotlinx-coroutines-core/build.gradle

@@ -72,20 +72,19 @@ jvmTest {
 }
 
 task lockFreedomTest(type: Test, dependsOn: compileTestKotlinJvm) {
-    // TODO
-//    classpath = files(configurations.jvm.testRuntime,
-//            compileKotlinJvm.destinationDir, //clear, untransformed classes
-//            compileTestKotlinJvm.destinationDir)
-
+    classpath = files { jvmTest.classpath }
+    testClassesDirs = files { jvmTest.testClassesDirs }
     include '**/*LFTest.*'
 }
 
 task jdk16Test(type: Test, dependsOn: [compileTestKotlinJvm, checkJdk16]) {
-//    executable = "$System.env.JDK_16/bin/java"
-//    exclude '**/*LinearizabilityTest.*'
-//    exclude '**/*LFTest.*'
-//    exclude '**/exceptions/**'
-//    exclude '**/ExceptionsGuideTest.*'
+    classpath = files { jvmTest.classpath }
+    testClassesDirs = files { jvmTest.testClassesDirs }
+    executable = "$System.env.JDK_16/bin/java"
+    exclude '**/*LinearizabilityTest.*'
+    exclude '**/*LFTest.*'
+    exclude '**/exceptions/**'
+    exclude '**/ExceptionsGuideTest.*'
 }
 
 // Run these tests only during nightly stress test