Increase code coverage of k8s-participant module

Unit tests with static mocks are being ignored in the build causing drop in the code coverage of k8s participant module. Static implementation in the code has been changed as it is not required.
Code coverage improved to 85%

Issue-ID: POLICY-4477
Signed-off-by: zrrmmua <ramesh.murugan.iyer@est.tech>
Change-Id: I82facafffb8da1823699f63da480951b60060888

2 files changed, 4 insertions, 2 deletions

diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/HelmClient.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/HelmClient.java
index f3f7d3427..a05dfbc5f 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/HelmClient.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/HelmClient.java
@@ -143,7 +143,7 @@ public class HelmClient {
      * @return string output
      * @throws ServiceException incase of error.
      */
-    public static String executeCommand(ProcessBuilder processBuilder) throws ServiceException {
+    public String executeCommand(ProcessBuilder processBuilder) throws ServiceException {
         var commandStr = toString(processBuilder);
 
         try {
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/PodStatusValidator.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/PodStatusValidator.java
index 67bdc0b40..89eb284eb 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/PodStatusValidator.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/helm/PodStatusValidator.java
@@ -46,6 +46,8 @@ public class PodStatusValidator implements Runnable {
 
     private ChartInfo chart;
 
+    private HelmClient client = new HelmClient();
+
     /**
      * Constructor for PodStatusValidator.
      * @param chart chartInfo
@@ -76,7 +78,7 @@ public class PodStatusValidator implements Runnable {
         long endTime = System.currentTimeMillis() + (timeout * 1000L);
 
         while (!isVerified && System.currentTimeMillis() < endTime) {
-            var output = HelmClient.executeCommand(verifyPodStatusCommand(chart));
+            var output = client.executeCommand(verifyPodStatusCommand(chart));
             var podStatusMap = mapPodStatus(output);
             isVerified = !podStatusMap.isEmpty()
                     && podStatusMap.values().stream().allMatch("Running"::equals);