diff --git a/.changeset/kind-lions-cut.md b/.changeset/kind-lions-cut.md
new file mode 100644
index 0000000000..a845151cc8
--- /dev/null
+++ b/.changeset/kind-lions-cut.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/tests/workflow-tengo/src/pframes/test/ll.test.ts b/tests/workflow-tengo/src/pframes/test/ll.test.ts
index a5f777602a..c5ea86aaec 100644
--- a/tests/workflow-tengo/src/pframes/test/ll.test.ts
+++ b/tests/workflow-tengo/src/pframes/test/ll.test.ts
@@ -110,7 +110,7 @@ tplTest.concurrent.for([
   },
 );
 
-eTplTest(
+eTplTest.concurrent(
   'should correctly execute low level aggregation routine with xsv parsing',
   async ({ helper, expect, stHelper }) => {
     const xsvSettings = {
diff --git a/tests/workflow-tengo/src/pframes/test/pframe.export.test.ts b/tests/workflow-tengo/src/pframes/test/pframe.export.test.ts
index 56a76e9e4a..05decd7ef5 100644
--- a/tests/workflow-tengo/src/pframes/test/pframe.export.test.ts
+++ b/tests/workflow-tengo/src/pframes/test/pframe.export.test.ts
@@ -11,9 +11,9 @@ const baseSpec = {
   annotations: {},
 };
 
-tplTest('should export files for p-frame without skipExportForUI annotation', { timeout: 40000 },
+tplTest.concurrent('should export files for p-frame without skipExportForUI annotation', { timeout: 40000 },
   async ({ helper, expect, driverKit }) => {
-    const spec = baseSpec;
+    const spec = deepClone(baseSpec);
     const fileHandle = await importFile(driverKit);
 
     const result = await helper.renderTemplate(
@@ -43,9 +43,9 @@ tplTest('should export files for p-frame without skipExportForUI annotation', {
   },
 );
 
-tplTest('should not export files for p-frame with hideDataFromUi annotation', { timeout: 40000 },
+tplTest.concurrent('should not export files for p-frame with hideDataFromUi annotation', { timeout: 40000 },
   async ({ helper, expect, driverKit }) => {
-    const spec = { ...baseSpec, annotations: { 'pl7.app/hideDataFromUi': 'true' } };
+    const spec = { ...deepClone(baseSpec), annotations: { 'pl7.app/hideDataFromUi': 'true' } };
     const fileHandle = await importFile(driverKit);
 
     const result = await helper.renderTemplate(
@@ -87,3 +87,7 @@ async function importFile(driverKit: DriverKit) {
 
   return ourFile.handle;
 }
+
+function deepClone<T>(obj: T): T {
+  return JSON.parse(JSON.stringify(obj));
+}
diff --git a/tests/workflow-tengo/src/pframes/test/xsv.export.test.ts b/tests/workflow-tengo/src/pframes/test/xsv.export.test.ts
index 3bdc9e7de9..cf1fa9b351 100644
--- a/tests/workflow-tengo/src/pframes/test/xsv.export.test.ts
+++ b/tests/workflow-tengo/src/pframes/test/xsv.export.test.ts
@@ -71,7 +71,7 @@ const baseSpec = {
   partitionKeyLength: 2,
 };
 
-tplTest.for([
+tplTest.concurrent.for([
   { partitionKeyLength: 0, storageFormat: 'Binary' },
   { partitionKeyLength: 1, storageFormat: 'Binary' },
   { partitionKeyLength: 2, storageFormat: 'Binary' },
@@ -88,7 +88,7 @@ tplTest.for([
   // execution takes 1-2 seconds at most.
   { timeout: 30000 },
   async ({ partitionKeyLength, storageFormat }, { helper, expect, driverKit }) => {
-    const spec = baseSpec;
+    const spec = deepClone(baseSpec);
     spec.partitionKeyLength = partitionKeyLength;
     spec.storageFormat = storageFormat;
 
@@ -129,7 +129,7 @@ tplTest.for([
   },
 );
 
-tplTest.for([
+tplTest.concurrent.for([
   { partitionKeyLength: 1, storageFormat: 'Binary' },
   { partitionKeyLength: 2, storageFormat: 'Binary' },
   { partitionKeyLength: 1, storageFormat: 'Json' },
@@ -144,7 +144,7 @@ tplTest.for([
   // execution takes 1-2 seconds at most.
   { timeout: 30000 },
   async ({ partitionKeyLength, storageFormat }, { helper, expect, driverKit }) => {
-    const spec = baseSpec;
+    const spec = deepClone(baseSpec);
     spec.partitionKeyLength = partitionKeyLength;
     spec.storageFormat = storageFormat;
 
@@ -198,7 +198,7 @@ function superPartitionKeys(keyLen: number): string[] {
   return r;
 }
 
-tplTest.for([
+tplTest.concurrent.for([
   {
     superPartitionKeyLength: 0,
     partitionKeyLength: 0,
@@ -257,7 +257,7 @@ tplTest.for([
     { helper, expect, driverKit },
   ) => {
     const supKeys = superPartitionKeys(superPartitionKeyLength).sort();
-    const spec = baseSpec;
+    const spec = deepClone(baseSpec);
     spec.partitionKeyLength = partitionKeyLength;
     spec.storageFormat = storageFormat;
 
@@ -308,3 +308,7 @@ tplTest.for([
     if (superPartitionKeyLength === 0) expect(actual).toEqual(expected);
   },
 );
+
+function deepClone<T>(obj: T): T {
+  return JSON.parse(JSON.stringify(obj));
+}
diff --git a/tests/workflow-tengo/src/pframes/test/xsv.import.test.ts b/tests/workflow-tengo/src/pframes/test/xsv.import.test.ts
index 96ab4cd329..5717af85c7 100644
--- a/tests/workflow-tengo/src/pframes/test/xsv.import.test.ts
+++ b/tests/workflow-tengo/src/pframes/test/xsv.import.test.ts
@@ -111,7 +111,7 @@ function partitionKeyJson(str: string): any {
   return JSON.stringify(JSON.parse(str.replace('.index', '').replace('.values', '')));
 }
 
-tplTest.for([
+tplTest.concurrent.for([
   { partitionKeyLength: 0, storageFormat: 'Binary' },
   { partitionKeyLength: 1, storageFormat: 'Binary' },
   { partitionKeyLength: 2, storageFormat: 'Binary' },
@@ -128,7 +128,7 @@ tplTest.for([
   // execution takes 1-2 seconds at most.
   { timeout: 30000 },
   async ({ partitionKeyLength, storageFormat }, { helper, expect, driverKit }) => {
-    const spec = baseSpec;
+    const spec = deepClone(baseSpec);
     spec.partitionKeyLength = partitionKeyLength;
     spec.storageFormat = storageFormat;
     const expectedPKeys = [...expectedPartitionKeys(spec)].sort();
@@ -228,7 +228,7 @@ function superPartitionKeys(keyLen: number): string[] {
   return r;
 }
 
-tplTest.for([
+tplTest.concurrent.for([
   {
     superPartitionKeyLength: 0,
     partitionKeyLength: 0,
@@ -284,7 +284,7 @@ tplTest.for([
   { timeout: 30000 },
   async ({ superPartitionKeyLength, partitionKeyLength, storageFormat }, { helper, expect }) => {
     const supKeys = superPartitionKeys(superPartitionKeyLength).sort();
-    const spec = baseSpec;
+    const spec = deepClone(baseSpec);
     spec.partitionKeyLength = partitionKeyLength;
     spec.storageFormat = storageFormat;
     // inner keys
@@ -393,7 +393,7 @@ tplTest.for([
   },
 );
 
-tplTest.for([
+tplTest.concurrent.for([
   {
     superPartitionKeyLength: 0,
     partitionKeyLength: 0,
@@ -449,7 +449,7 @@ tplTest.for([
   { timeout: 30000 },
   async ({ superPartitionKeyLength, partitionKeyLength, storageFormat }, { helper, expect }) => {
     const supKeys = superPartitionKeys(superPartitionKeyLength).sort();
-    const spec = baseSpec;
+    const spec = deepClone(baseSpec);
     spec.partitionKeyLength = partitionKeyLength;
     spec.storageFormat = storageFormat;
     // inner keys
@@ -548,3 +548,7 @@ tplTest.for([
     }
   },
 );
+
+function deepClone<T>(obj: T): T {
+  return JSON.parse(JSON.stringify(obj));
+}