Set Gradle version to 6.9.1, fix Junit and test case (#121)

Author: Luke-Roy-IBM

build.gradle

@@ -28,6 +28,7 @@ subprojects {
 }
 allprojects {
     repositories {
+        jcenter()
         mavenLocal()
         mavenCentral()
         maven {

core/php7.4Action/runner.php

@@ -72,7 +72,7 @@
         if (!is_array($result)) {
             file_put_contents('php://stderr', 'Result must be an array but has type "'
                 . gettype($result) . '": ' . $result);
-            file_put_contents('php://stdout', 'The action did not return a dictionary.');
+            file_put_contents('php://stdout', 'The action did not return a dictionary or array.');
             $result = (string)$result;
         } else {
             $result = json_encode((object)$result);

core/php8.0Action/runner.php

@@ -72,7 +72,7 @@
         if (!is_array($result)) {
             file_put_contents('php://stderr', 'Result must be an array but has type "'
                 . gettype($result) . '": ' . $result);
-            file_put_contents('php://stdout', 'The action did not return a dictionary.');
+            file_put_contents('php://stdout', 'The action did not return a dictionary or array.');
             $result = (string)$result;
         } else {
             $result = json_encode((object)$result);

gradle/wrapper/gradle-wrapper.properties

@@ -16,6 +16,6 @@
 #
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.9.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -34,7 +34,10 @@ tasks.withType(Test) {
 }
 
 dependencies {
+    implementation "junit:junit:4.11"
     implementation "org.scala-lang:scala-library:${gradle.scala.version}"
+    implementation "org.scalatest:scalatest_${gradle.scala.depVersion}:3.0.8"
+    implementation "org.apache.openwhisk:openwhisk-common:${gradle.openwhisk.version}"
     implementation "org.apache.openwhisk:openwhisk-tests:${gradle.openwhisk.version}:tests"
     implementation "org.apache.openwhisk:openwhisk-tests:${gradle.openwhisk.version}:test-sources"
     implementation group: 'com.typesafe.akka', name: "akka-http2-support_${gradle.scala.depVersion}", version: "${gradle.akka_http.version}"