Add module-info to kotlin-test-* framework adapter artifacts

#KT-21266

libraries/kotlin.test/junit/build.gradle

@@ -5,6 +5,14 @@ apply plugin: 'kotlin-platform-jvm'
 configureJvm6Project(project)
 configurePublishing(project)
 
+def includeJava9 = BuildPropertiesExtKt.getIncludeJava9(project.kotlinBuildProperties)
+
+sourceSets {
+    if (includeJava9) {
+        java9
+    }
+}
+
 dependencies {
     expectedBy project(':kotlin-test:kotlin-test-annotations-common')
     compile project(':kotlin-test:kotlin-test-jvm')
@@ -13,7 +21,10 @@ dependencies {
 
 
 jar {
-    manifestAttributes(manifest, project, 'Test')
+    manifestAttributes(manifest, project, 'Test', true)
+    if (includeJava9) {
+        from sourceSets.java9.output
+    }
 }
 
 artifacts {
@@ -30,3 +41,7 @@ compileKotlin {
 compileTestKotlin {
     kotlinOptions.freeCompilerArgs = ["-Xallow-kotlin-package"]
 }
+
+if (includeJava9) {
+    compileJava9Sources(project, 'kotlin.test.junit')
+}

libraries/kotlin.test/junit/src/java9/java/module-info.java

@@ -0,0 +1,10 @@
+module kotlin.test.junit {
+    requires transitive kotlin.stdlib;
+    requires transitive kotlin.test;
+
+    requires junit;
+
+    exports kotlin.test.junit;
+
+    provides kotlin.test.AsserterContributor with kotlin.test.junit.JUnitContributor;
+}