diff --git a/package.json b/package.json
index 80c68ba6..165c9a7e 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "@oclif/plugin-command-snapshot": "^3.2.1",
     "@oclif/test": "^2.2.1",
-    "@salesforce/cli-plugins-testkit": "^2.5.3",
+    "@salesforce/cli-plugins-testkit": "^3.0.3",
     "@salesforce/dev-config": "^3.1.0",
     "@salesforce/dev-scripts": "^3.1.0",
     "@salesforce/plugin-command-reference": "^2.2.8",
diff --git a/test/nuts/field.nut.ts b/test/nuts/field.nut.ts
index 7cff451a..533db719 100644
--- a/test/nuts/field.nut.ts
+++ b/test/nuts/field.nut.ts
@@ -7,14 +7,12 @@
 
 import * as path from 'path';
 import { execCmd, TestSession } from '@salesforce/cli-plugins-testkit';
-import { env } from '@salesforce/kit';
 // import { expect } from 'chai';
 
 describe('generate field NUTs', () => {
   let session: TestSession;
 
   before(async () => {
-    env.setString('TESTKIT_EXECUTABLE_PATH', path.join(process.cwd(), 'bin', 'dev'));
     session = await TestSession.create({
       project: {
         name: 'field-nut',
@@ -28,13 +26,13 @@ describe('generate field NUTs', () => {
 
   it('help should not throw', () => {
     const command = 'generate metadata field --help';
-    execCmd(command, { ensureExitCode: 0, cli: 'sf' }).shellOutput.stdout;
+    execCmd(command, { ensureExitCode: 0 }).shellOutput.stdout;
   });
 
   describe('flag validation failures', () => {
     it('short label', () => {
       const command = 'generate metadata field --label yo';
-      execCmd(command, { ensureExitCode: 1, cli: 'sf' });
+      execCmd(command, { ensureExitCode: 1 });
     });
     it('bad object dir', () => {
       const command = `generate metadata field --label longEnough --object ${path.join(
@@ -43,7 +41,7 @@ describe('generate field NUTs', () => {
         'default',
         'tabs'
       )}`;
-      execCmd(command, { ensureExitCode: 1, cli: 'sf' });
+      execCmd(command, { ensureExitCode: 1 });
     });
   });
 });
diff --git a/test/nuts/fs.nut.ts b/test/nuts/fs.nut.ts
index c5acd932..bed014da 100644
--- a/test/nuts/fs.nut.ts
+++ b/test/nuts/fs.nut.ts
@@ -8,7 +8,6 @@
 import * as path from 'path';
 import * as fs from 'fs';
 import { TestSession } from '@salesforce/cli-plugins-testkit';
-import { env } from '@salesforce/kit';
 import { expect } from 'chai';
 import {
   getDirectoriesThatContainObjects,
@@ -25,7 +24,6 @@ describe('local fs NUTs', () => {
   const forceAppObjectsPath = path.join('force-app', 'main', 'default', 'objects');
 
   before(async () => {
-    env.setString('TESTKIT_EXECUTABLE_PATH', path.join(process.cwd(), 'bin', 'dev'));
     session = await TestSession.create({
       project: {
         gitClone: 'https://github.com/salesforcecli/sample-project-multiple-packages',
diff --git a/test/nuts/platformevent.nut.ts b/test/nuts/platformevent.nut.ts
index c004a265..bfdf5bba 100644
--- a/test/nuts/platformevent.nut.ts
+++ b/test/nuts/platformevent.nut.ts
@@ -5,16 +5,13 @@
  * For full license text, see LICENSE.txt file in the repo root or https://opensource.org/licenses/BSD-3-Clause
  */
 
-import * as path from 'path';
 import { execCmd, TestSession } from '@salesforce/cli-plugins-testkit';
-import { env } from '@salesforce/kit';
 // import { expect } from 'chai';
 
 describe('generate platformevent NUTs', () => {
   let session: TestSession;
 
   before(async () => {
-    env.setString('TESTKIT_EXECUTABLE_PATH', path.join(process.cwd(), 'bin', 'dev'));
     session = await TestSession.create({
       project: {
         name: 'platformevent-nut',
@@ -28,13 +25,13 @@ describe('generate platformevent NUTs', () => {
 
   it('help should not throw', () => {
     const command = 'generate metadata platformevent --help';
-    execCmd(command, { ensureExitCode: 0, cli: 'sf' });
+    execCmd(command, { ensureExitCode: 0 });
   });
 
   describe('flag validation failures', () => {
     it('short label', () => {
       const command = 'generate metadata platformevent --label yo';
-      execCmd(command, { ensureExitCode: 1, cli: 'sf' });
+      execCmd(command, { ensureExitCode: 1 });
     });
   });
 });
diff --git a/test/nuts/sobject.nut.ts b/test/nuts/sobject.nut.ts
index ec6306e5..9cf089db 100644
--- a/test/nuts/sobject.nut.ts
+++ b/test/nuts/sobject.nut.ts
@@ -5,17 +5,14 @@
  * For full license text, see LICENSE.txt file in the repo root or https://opensource.org/licenses/BSD-3-Clause
  */
 
-import * as path from 'path';
 import { execCmd, TestSession } from '@salesforce/cli-plugins-testkit';
-import { env } from '@salesforce/kit';
 // import { expect } from 'chai';
 
 describe('generate sobject NUTs', () => {
   let session: TestSession;
 
   before(async () => {
-    env.setString('TESTKIT_EXECUTABLE_PATH', path.join(process.cwd(), 'bin', 'dev'));
-    session = await TestSession.create({});
+    session = await TestSession.create();
   });
 
   after(async () => {
@@ -24,13 +21,13 @@ describe('generate sobject NUTs', () => {
 
   it('help should not throw', () => {
     const command = 'generate metadata sobject --help';
-    execCmd(command, { ensureExitCode: 0, cli: 'sf' });
+    execCmd(command, { ensureExitCode: 0 });
   });
 
   describe('flag validation failures', () => {
     it('short label', () => {
       const command = 'generate metadata sobject --label yo';
-      execCmd(command, { ensureExitCode: 1, cli: 'sf' });
+      execCmd(command, { ensureExitCode: 1 });
     });
   });
 });
diff --git a/test/nuts/tab.nut.ts b/test/nuts/tab.nut.ts
index 4f5ca44f..445f41eb 100644
--- a/test/nuts/tab.nut.ts
+++ b/test/nuts/tab.nut.ts
@@ -7,14 +7,12 @@
 
 import * as path from 'path';
 import { execCmd, TestSession } from '@salesforce/cli-plugins-testkit';
-import { env } from '@salesforce/kit';
 // import { expect } from 'chai';
 
 describe('generate tab NUTs', () => {
   let session: TestSession;
 
   before(async () => {
-    env.setString('TESTKIT_EXECUTABLE_PATH', path.join(process.cwd(), 'bin', 'dev'));
     session = await TestSession.create({
       project: {
         name: 'tab-nut',
@@ -28,7 +26,7 @@ describe('generate tab NUTs', () => {
 
   it('help should not throw', () => {
     const command = 'generate metadata tab --help';
-    execCmd(command, { ensureExitCode: 0, cli: 'sf' });
+    execCmd(command, { ensureExitCode: 0 });
   });
   describe('flag validation failures', () => {
     it('invalid folder', () => {
@@ -38,7 +36,7 @@ describe('generate tab NUTs', () => {
         'default',
         'objects'
       )}`;
-      execCmd(command, { ensureExitCode: 1, cli: 'sf' });
+      execCmd(command, { ensureExitCode: 1 });
     });
   });
 });
diff --git a/yarn.lock b/yarn.lock
index d01b2bd1..4280a8c8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -931,10 +931,10 @@
     mv "~2"
     safe-json-stringify "~1"
 
-"@salesforce/cli-plugins-testkit@^2.5.3":
-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-2.5.3.tgz#80d6d640f1fccb8975e0648361ffa984e30b26d3"
-  integrity sha512-wK94o+JHe1S05kjvqpZzGFKFAGn/J1NAKq953JdoBqjSCbyhEzAWgjaABxFTirJk3zPMX1/vR7BFmsN+E5ju9w==
+"@salesforce/cli-plugins-testkit@^3.0.3":
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/@salesforce/cli-plugins-testkit/-/cli-plugins-testkit-3.0.3.tgz#1a174653a33c919b19990353c67900507d1c87b3"
+  integrity sha512-buXtuKvbO65bwbZSU8o9o135w4eEcel5XwbN/dUnsdBfra64KkVP6uqyFo/HDNsEC5QJ5S8MBwWT/AcQ2L3Dew==
   dependencies:
     "@salesforce/core" "^3.30.9"
     "@salesforce/kit" "^1.6.1"