Search for integ test config in configs/common also (#26)

Author: Rishabh

integrationtest-service-framework/src/main/java/org/hypertrace/core/serviceframework/config/IntegrationTestConfigClient.java

@@ -9,8 +9,10 @@
  */
 public class IntegrationTestConfigClient implements ConfigClient {
   private static final String APPLICATION_CONFIG_FILE = "application.conf";
+  private static final String INTEGRATION_TEST_COMMON_PREFIX = "configs/common";
   private static final String INTEGRATION_TEST_ENV = "local";
 
+
   private final String resourcePrefix;
 
   public IntegrationTestConfigClient(String resourcePrefix) {
@@ -20,9 +22,11 @@ public IntegrationTestConfigClient(String resourcePrefix) {
   @Override
   public Config getConfig() {
     Config config = ConfigFactory.parseResources(resourcePrefix + "/" + APPLICATION_CONFIG_FILE);
+    Config commonConfig = ConfigFactory.parseResources(
+        String.format("%s/%s", INTEGRATION_TEST_COMMON_PREFIX, APPLICATION_CONFIG_FILE));
     Config localConfig = ConfigFactory.parseResources(resourcePrefix + "/" + INTEGRATION_TEST_ENV
         + "/" + APPLICATION_CONFIG_FILE);
-    return localConfig.withFallback(config).resolve();
+    return localConfig.withFallback(config).withFallback(commonConfig).resolve();
   }
 
   @Override