test: fix unrecognized method (#5552)

For some reason I started getting errors saying that `deepEqual` does
not exist. This fixes that




---

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License: I confirm that my contribution is made under the terms of the
Apache 2.0 license.

Signed-off-by: Nikolas Komonen <[email protected]>

Author: nkomonen-amazon

packages/core/src/test/stepFunctions/commands/visualizeStateMachine.test.ts

@@ -215,7 +215,7 @@ describe('StepFunctions VisualizeStateMachine', async function () {
         }
 
         assert.ok(postMessage.calledOnce)
-        assert.deepEqual(postMessage.firstCall.args, [message])
+        assert.deepStrictEqual(postMessage.firstCall.args, [message])
     })
 
     it('Test AslVisualisation sendUpdateMessage posts a correct update message for invalid YAML files', async function () {
@@ -238,7 +238,7 @@ describe('StepFunctions VisualizeStateMachine', async function () {
         }
 
         assert.ok(postMessage.calledOnce)
-        assert.deepEqual(postMessage.firstCall.args, [message])
+        assert.deepStrictEqual(postMessage.firstCall.args, [message])
     })
 
     it('Test AslVisualisation sendUpdateMessage posts a correct update message for ASL files', async function () {
@@ -261,7 +261,7 @@ describe('StepFunctions VisualizeStateMachine', async function () {
         }
 
         assert.ok(postMessage.calledOnce)
-        assert.deepEqual(postMessage.firstCall.args, [message])
+        assert.deepStrictEqual(postMessage.firstCall.args, [message])
     })
 })