diff --git a/scenarios/grpc.js b/scenarios/grpc.js
index 623e17c..3ffc911 100644
--- a/scenarios/grpc.js
+++ b/scenarios/grpc.js
@@ -12,13 +12,13 @@ import {uuidv4} from './libs/k6-utils-1.4.0.js';
 
 parseEnv();
 
-const obj_list = new SharedArray('obj_list', function() {
-  return JSON.parse(open(__ENV.PREGEN_JSON)).objects;
-});
+const obj_list = new SharedArray(
+    'obj_list',
+    function() { return JSON.parse(open(__ENV.PREGEN_JSON)).objects; });
 
-const container_list = new SharedArray('container_list', function() {
-  return JSON.parse(open(__ENV.PREGEN_JSON)).containers;
-});
+const container_list = new SharedArray(
+    'container_list',
+    function() { return JSON.parse(open(__ENV.PREGEN_JSON)).containers; });
 
 const read_size = JSON.parse(open(__ENV.PREGEN_JSON)).obj_size;
 const summary_json = __ENV.SUMMARY_JSON || '/tmp/summary.json';
@@ -30,8 +30,8 @@ const grpc_endpoint =
 const grpc_client = native.connect(
     grpc_endpoint, '', __ENV.DIAL_TIMEOUT ? parseInt(__ENV.DIAL_TIMEOUT) : 5,
     __ENV.STREAM_TIMEOUT ? parseInt(__ENV.STREAM_TIMEOUT) : 60,
-    __ENV.PREPARE_LOCALLY ? __ENV.PREPARE_LOCALLY.toLowerCase() === 'true' :
-                            false);
+    __ENV.PREPARE_LOCALLY ? __ENV.PREPARE_LOCALLY.toLowerCase() === 'true'
+                          : false);
 const log = logging.new().withField('endpoint', grpc_endpoint);
 
 const registry_enabled = !!__ENV.REGISTRY_FILE;
@@ -50,8 +50,8 @@ if (registry_enabled && delete_age) {
   obj_to_delete_selector = registry.getSelector(
       __ENV.REGISTRY_FILE, 'obj_to_delete',
       __ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, {
-        status: 'created',
-        age: delete_age,
+        status : 'created',
+        age : delete_age,
       });
 }
 
@@ -61,8 +61,8 @@ if (registry_enabled) {
   obj_to_read_selector = registry.getLoopedSelector(
       __ENV.REGISTRY_FILE, 'obj_to_read',
       __ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, {
-        status: 'created',
-        age: read_age,
+        status : 'created',
+        age : read_age,
       })
 }
 
@@ -73,22 +73,22 @@ const write_grpc_chunk_size = 1024 * parseInt(__ENV.GRPC_CHUNK_SIZE || '0')
 const generator = newGenerator(write_vu_count > 0);
 if (write_vu_count > 0) {
   scenarios.write = {
-    executor: 'constant-vus',
-    vus: write_vu_count,
-    duration: `${duration}s`,
-    exec: 'obj_write',
-    gracefulStop: '5s',
+    executor : 'constant-vus',
+    vus : write_vu_count,
+    duration : `${duration}s`,
+    exec : 'obj_write',
+    gracefulStop : '5s',
   };
 }
 
 const read_vu_count = parseInt(__ENV.READERS || '0');
 if (read_vu_count > 0) {
   scenarios.read = {
-    executor: 'constant-vus',
-    vus: read_vu_count,
-    duration: `${duration}s`,
-    exec: 'obj_read',
-    gracefulStop: '5s',
+    executor : 'constant-vus',
+    vus : read_vu_count,
+    duration : `${duration}s`,
+    exec : 'obj_read',
+    gracefulStop : '5s',
   };
 }
 
@@ -100,17 +100,17 @@ if (delete_vu_count > 0) {
   }
 
   scenarios.delete = {
-    executor: 'constant-vus',
-    vus: delete_vu_count,
-    duration: `${duration}s`,
-    exec: 'obj_delete',
-    gracefulStop: '5s',
+    executor : 'constant-vus',
+    vus : delete_vu_count,
+    duration : `${duration}s`,
+    exec : 'obj_delete',
+    gracefulStop : '5s',
   };
 }
 
 export const options = {
   scenarios,
-  setupTimeout: '5s',
+  setupTimeout : '5s',
 };
 
 export function setup() {
@@ -140,8 +140,8 @@ export function teardown(data) {
 
 export function handleSummary(data) {
   return {
-    'stdout': textSummary(data, {indent: ' ', enableColors: false}),
-    [summary_json]: JSON.stringify(data),
+    'stdout' : textSummary(data, {indent : ' ', enableColors : false}),
+    [summary_json] : JSON.stringify(data),
   };
 }
 
@@ -150,7 +150,7 @@ export function obj_write() {
     sleep(__ENV.SLEEP_WRITE);
   }
 
-  const headers = {unique_header: uuidv4()};
+  const headers = {unique_header : uuidv4()};
   const container =
       container_list[Math.floor(Math.random() * container_list.length)];
 
@@ -179,7 +179,7 @@ export function obj_read() {
     }
     const resp = grpc_client.get(obj.c_id, obj.o_id)
     if (!resp.success) {
-      log.withFields({cid: obj.c_id, oid: obj.o_id}).error(resp.error);
+      log.withFields({cid : obj.c_id, oid : obj.o_id}).error(resp.error);
     }
     return
   }
@@ -187,7 +187,7 @@ export function obj_read() {
   const obj = obj_list[Math.floor(Math.random() * obj_list.length)];
   const resp = grpc_client.get(obj.container, obj.object)
   if (!resp.success) {
-    log.withFields({cid: obj.container, oid: obj.object}).error(resp.error);
+    log.withFields({cid : obj.container, oid : obj.object}).error(resp.error);
   }
 }
 
@@ -204,7 +204,7 @@ export function obj_delete() {
   const resp = grpc_client.delete(obj.c_id, obj.o_id);
   if (!resp.success) {
     // Log errors except (2052 - object already deleted)
-    log.withFields({cid: obj.c_id, oid: obj.o_id}).error(resp.error);
+    log.withFields({cid : obj.c_id, oid : obj.o_id}).error(resp.error);
     return;
   }
 
diff --git a/scenarios/s3.js b/scenarios/s3.js
index 0532748..5c3e14a 100644
--- a/scenarios/s3.js
+++ b/scenarios/s3.js
@@ -12,20 +12,20 @@ import {uuidv4} from './libs/k6-utils-1.4.0.js';
 
 parseEnv();
 
-const obj_list = new SharedArray('obj_list', function() {
-  return JSON.parse(open(__ENV.PREGEN_JSON)).objects;
-});
+const obj_list = new SharedArray(
+    'obj_list',
+    function() { return JSON.parse(open(__ENV.PREGEN_JSON)).objects; });
 
-const bucket_list = new SharedArray('bucket_list', function() {
-  return JSON.parse(open(__ENV.PREGEN_JSON)).buckets;
-});
+const bucket_list = new SharedArray(
+    'bucket_list',
+    function() { return JSON.parse(open(__ENV.PREGEN_JSON)).buckets; });
 
 const read_size = JSON.parse(open(__ENV.PREGEN_JSON)).obj_size;
 const summary_json = __ENV.SUMMARY_JSON || '/tmp/summary.json';
 
 const no_verify_ssl = __ENV.NO_VERIFY_SSL || 'true';
 const connection_args = {
-  no_verify_ssl: no_verify_ssl
+  no_verify_ssl : no_verify_ssl
 }
 // Select random S3 endpoint for current VU
 const s3_endpoints = __ENV.S3_ENDPOINTS.split(',');
@@ -50,8 +50,8 @@ if (registry_enabled && delete_age) {
   obj_to_delete_selector = registry.getSelector(
       __ENV.REGISTRY_FILE, 'obj_to_delete',
       __ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, {
-        status: 'created',
-        age: delete_age,
+        status : 'created',
+        age : delete_age,
       });
 }
 
@@ -61,8 +61,8 @@ if (registry_enabled) {
   obj_to_read_selector = registry.getLoopedSelector(
       __ENV.REGISTRY_FILE, 'obj_to_read',
       __ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, {
-        status: 'created',
-        age: read_age,
+        status : 'created',
+        age : read_age,
       })
 }
 
@@ -72,22 +72,22 @@ const write_vu_count = parseInt(__ENV.WRITERS || '0');
 const generator = newGenerator(write_vu_count > 0);
 if (write_vu_count > 0) {
   scenarios.write = {
-    executor: 'constant-vus',
-    vus: write_vu_count,
-    duration: `${duration}s`,
-    exec: 'obj_write',
-    gracefulStop: '5s',
+    executor : 'constant-vus',
+    vus : write_vu_count,
+    duration : `${duration}s`,
+    exec : 'obj_write',
+    gracefulStop : '5s',
   };
 }
 
 const read_vu_count = parseInt(__ENV.READERS || '0');
 if (read_vu_count > 0) {
   scenarios.read = {
-    executor: 'constant-vus',
-    vus: read_vu_count,
-    duration: `${duration}s`,
-    exec: 'obj_read',
-    gracefulStop: '5s',
+    executor : 'constant-vus',
+    vus : read_vu_count,
+    duration : `${duration}s`,
+    exec : 'obj_read',
+    gracefulStop : '5s',
   };
 }
 
@@ -98,17 +98,17 @@ if (delete_vu_count > 0) {
   }
 
   scenarios.delete = {
-    executor: 'constant-vus',
-    vus: delete_vu_count,
-    duration: `${duration}s`,
-    exec: 'obj_delete',
-    gracefulStop: '5s',
+    executor : 'constant-vus',
+    vus : delete_vu_count,
+    duration : `${duration}s`,
+    exec : 'obj_delete',
+    gracefulStop : '5s',
   };
 }
 
 export const options = {
   scenarios,
-  setupTimeout: '5s',
+  setupTimeout : '5s',
 };
 
 export function setup() {
@@ -138,8 +138,8 @@ export function teardown(data) {
 
 export function handleSummary(data) {
   return {
-    'stdout': textSummary(data, {indent: ' ', enableColors: false}),
-    [summary_json]: JSON.stringify(data),
+    'stdout' : textSummary(data, {indent : ' ', enableColors : false}),
+    [summary_json] : JSON.stringify(data),
   };
 }
 
@@ -154,7 +154,7 @@ export function obj_write() {
   const payload = generator.genPayload();
   const resp = s3_client.put(bucket, key, payload);
   if (!resp.success) {
-    log.withFields({bucket: bucket, key: key}).error(resp.error);
+    log.withFields({bucket : bucket, key : key}).error(resp.error);
     return;
   }
 
@@ -175,7 +175,7 @@ export function obj_read() {
     }
     const resp = s3_client.get(obj.s3_bucket, obj.s3_key)
     if (!resp.success) {
-      log.withFields({bucket: obj.s3_bucket, key: obj.s3_key})
+      log.withFields({bucket : obj.s3_bucket, key : obj.s3_key})
           .error(resp.error);
     }
     return
@@ -185,7 +185,7 @@ export function obj_read() {
 
   const resp = s3_client.get(obj.bucket, obj.object);
   if (!resp.success) {
-    log.withFields({bucket: obj.bucket, key: obj.object}).error(resp.error);
+    log.withFields({bucket : obj.bucket, key : obj.object}).error(resp.error);
   }
 }
 
@@ -201,7 +201,7 @@ export function obj_delete() {
 
   const resp = s3_client.delete(obj.s3_bucket, obj.s3_key);
   if (!resp.success) {
-    log.withFields({bucket: obj.s3_bucket, key: obj.s3_key, op: 'DELETE'})
+    log.withFields({bucket : obj.s3_bucket, key : obj.s3_key, op : 'DELETE'})
         .error(resp.error);
     return;
   }