Try chaining installation functions for error checking

ci_tests/run_basic_grb_test.sh

 #!/usr/bin/env bash
 
 install_basic_grb_charts() {
-    install_rabbitmq_chart $1
-    install_grb_chart $1
-    install_geo2grid_chart $1
-    install_tile_gen_chart $1
-    install_mapserver_chart $1
-    install_mapcache_chart $1
-    install_client_chart $1
+    install_rabbitmq_chart $1 && \
+    install_grb_chart $1 && \
+    install_geo2grid_chart $1 && \
+    install_tile_gen_chart $1 && \
+    install_mapserver_chart $1 && \
+    install_mapcache_chart $1 && \
+    install_client_chart $1 && \
     debug "$(helm -n $ns list)"
 }
 

ci_tests/run_basic_postgres_test.sh

 #!/usr/bin/env bash
 
 install_basic_postgres_charts() {
-    install_rabbitmq_chart $1
-    install_postgis_chart $1
-    install_grb_chart $1
-    install_geo2grid_chart $1
-    install_tile_gen_chart $1
-    install_mapserver_chart $1
-    install_mapcache_chart $1
-    install_client_chart $1
+    install_rabbitmq_chart $1 && \
+    install_postgis_chart $1 && \
+    install_grb_chart $1 && \
+    install_geo2grid_chart $1 && \
+    install_tile_gen_chart $1 && \
+    install_mapserver_chart $1 && \
+    install_mapcache_chart $1 && \
+    install_client_chart $1 && \
     debug "$(helm -n $ns list)"
 }