diff --git a/packages/nodes-from-anchor/test/v01/AccountNode.test.ts b/packages/nodes-from-anchor/test/v01/AccountNode.test.ts
index 8d18a00e..399be4d5 100644
--- a/packages/nodes-from-anchor/test/v01/AccountNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/AccountNode.test.ts
@@ -6,11 +6,11 @@ import {
     structFieldTypeNode,
     structTypeNode,
 } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { accountNodeFromAnchorV01, getAnchorDiscriminatorV01 } from '../../src/index.js';
 
-test('it creates account nodes with anchor discriminators', t => {
+test('it creates account nodes with anchor discriminators', () => {
     const node = accountNodeFromAnchorV01(
         {
             discriminator: [246, 28, 6, 87, 251, 45, 50, 42],
@@ -33,8 +33,7 @@ test('it creates account nodes with anchor discriminators', t => {
         ],
     );
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         accountNode({
             data: structTypeNode([
                 structFieldTypeNode({
diff --git a/packages/nodes-from-anchor/test/v01/DefinedTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/DefinedTypeNode.test.ts
index a4004e5b..25950c63 100644
--- a/packages/nodes-from-anchor/test/v01/DefinedTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/DefinedTypeNode.test.ts
@@ -1,9 +1,9 @@
 import { definedTypeNode, numberTypeNode, structFieldTypeNode, structTypeNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { definedTypeNodeFromAnchorV01 } from '../../src/index.js';
 
-test('it creates defined type nodes', t => {
+test('it creates defined type nodes', () => {
     const node = definedTypeNodeFromAnchorV01({
         name: 'MyType',
         type: {
@@ -12,8 +12,7 @@ test('it creates defined type nodes', t => {
         },
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         definedTypeNode({
             name: 'myType',
             type: structTypeNode([
diff --git a/packages/nodes-from-anchor/test/v01/ErrorNode.test.ts b/packages/nodes-from-anchor/test/v01/ErrorNode.test.ts
index f6b467ff..75ccdef6 100644
--- a/packages/nodes-from-anchor/test/v01/ErrorNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/ErrorNode.test.ts
@@ -1,17 +1,16 @@
 import { errorNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { errorNodeFromAnchorV01 } from '../../src/index.js';
 
-test('it creates error nodes', t => {
+test('it creates error nodes', () => {
     const node = errorNodeFromAnchorV01({
         code: 42,
         msg: 'my error message',
         name: 'myError',
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         errorNode({
             code: 42,
             docs: ['myError: my error message'],
diff --git a/packages/nodes-from-anchor/test/v01/InstructionAccountNode.test.ts b/packages/nodes-from-anchor/test/v01/InstructionAccountNode.test.ts
index 03d5e62f..7e6c2c62 100644
--- a/packages/nodes-from-anchor/test/v01/InstructionAccountNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/InstructionAccountNode.test.ts
@@ -1,9 +1,9 @@
 import { instructionAccountNode, publicKeyValueNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { instructionAccountNodeFromAnchorV01, instructionAccountNodesFromAnchorV01 } from '../../src/index.js';
 
-test('it creates instruction account nodes', t => {
+test('it creates instruction account nodes', () => {
     const node = instructionAccountNodeFromAnchorV01({
         docs: ['my docs'],
         name: 'MyInstructionAccount',
@@ -12,8 +12,7 @@ test('it creates instruction account nodes', t => {
         writable: true,
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         instructionAccountNode({
             docs: ['my docs'],
             isOptional: true,
@@ -24,7 +23,7 @@ test('it creates instruction account nodes', t => {
     );
 });
 
-test('it flattens nested instruction accounts', t => {
+test('it flattens nested instruction accounts', () => {
     const nodes = instructionAccountNodesFromAnchorV01([
         { name: 'accountA', signer: false, writable: false },
         {
@@ -49,7 +48,7 @@ test('it flattens nested instruction accounts', t => {
         { name: 'account_d', signer: true, writable: true },
     ]);
 
-    t.deepEqual(nodes, [
+    expect(nodes).toEqual([
         instructionAccountNode({ isSigner: false, isWritable: false, name: 'accountA' }),
         instructionAccountNode({ isSigner: false, isWritable: true, name: 'accountB' }),
         instructionAccountNode({ isSigner: true, isWritable: false, name: 'accountC' }),
diff --git a/packages/nodes-from-anchor/test/v01/InstructionArgumentNode.test.ts b/packages/nodes-from-anchor/test/v01/InstructionArgumentNode.test.ts
index efe9acbb..06b50e11 100644
--- a/packages/nodes-from-anchor/test/v01/InstructionArgumentNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/InstructionArgumentNode.test.ts
@@ -1,16 +1,15 @@
 import { instructionArgumentNode, numberTypeNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { instructionArgumentNodeFromAnchorV01 } from '../../src/index.js';
 
-test('it creates instruction argument nodes', t => {
+test('it creates instruction argument nodes', () => {
     const node = instructionArgumentNodeFromAnchorV01({
         name: 'my_instruction_argument',
         type: 'u8',
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         instructionArgumentNode({
             name: 'myInstructionArgument',
             type: numberTypeNode('u8'),
diff --git a/packages/nodes-from-anchor/test/v01/InstructionNode.test.ts b/packages/nodes-from-anchor/test/v01/InstructionNode.test.ts
index 758a9103..bb8ca54d 100644
--- a/packages/nodes-from-anchor/test/v01/InstructionNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/InstructionNode.test.ts
@@ -6,12 +6,12 @@ import {
     instructionNode,
     numberTypeNode,
 } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { instructionNodeFromAnchorV01 } from '../../src/index.js';
 import { getAnchorDiscriminatorV01 } from '../../src/index.js';
 
-test('it creates instruction nodes', t => {
+test('it creates instruction nodes', () => {
     const node = instructionNodeFromAnchorV01({
         accounts: [{ name: 'Mint', signer: false, writable: true }],
         args: [{ name: 'amount', type: 'u8' }],
@@ -19,8 +19,7 @@ test('it creates instruction nodes', t => {
         name: 'mintTokens',
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         instructionNode({
             accounts: [instructionAccountNode({ isSigner: false, isWritable: true, name: 'mint' })],
             arguments: [
@@ -38,7 +37,7 @@ test('it creates instruction nodes', t => {
     );
 });
 
-test('it creates instruction nodes with anchor discriminators', t => {
+test('it creates instruction nodes with anchor discriminators', () => {
     const node = instructionNodeFromAnchorV01({
         accounts: [],
         args: [],
@@ -46,8 +45,7 @@ test('it creates instruction nodes with anchor discriminators', t => {
         name: 'myInstruction',
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         instructionNode({
             arguments: [
                 instructionArgumentNode({
diff --git a/packages/nodes-from-anchor/test/v01/PdaNode.test.ts b/packages/nodes-from-anchor/test/v01/PdaNode.test.ts
index 2a62232a..3cd1e21b 100644
--- a/packages/nodes-from-anchor/test/v01/PdaNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/PdaNode.test.ts
@@ -1,9 +1,9 @@
 import { bytesTypeNode, constantPdaSeedNode, pdaNode, publicKeyTypeNode, variablePdaSeedNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { getAnchorDiscriminatorV01, pdaNodeFromAnchorV01 } from '../../src/index.js';
 
-test('it creates PDA nodes', t => {
+test('it creates PDA nodes', () => {
     const node = pdaNodeFromAnchorV01({
         name: 'myPda',
         pda: {
@@ -14,8 +14,7 @@ test('it creates PDA nodes', t => {
         },
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         pdaNode({
             name: 'myPda',
             seeds: [
diff --git a/packages/nodes-from-anchor/test/v01/ProgramNode.test.ts b/packages/nodes-from-anchor/test/v01/ProgramNode.test.ts
index 9f75253f..ca6c6d28 100644
--- a/packages/nodes-from-anchor/test/v01/ProgramNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/ProgramNode.test.ts
@@ -15,11 +15,11 @@ import {
     structTypeNode,
     variablePdaSeedNode,
 } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { getAnchorDiscriminatorV01, programNodeFromAnchorV01 } from '../../src/index.js';
 
-test('it creates program nodes', t => {
+test('it creates program nodes', () => {
     const node = programNodeFromAnchorV01({
         accounts: [{ discriminator: [246, 28, 6, 87, 251, 45, 50, 42], name: 'MyAccount' }],
         address: '1111',
@@ -46,8 +46,7 @@ test('it creates program nodes', t => {
         types: [{ name: 'MyAccount', type: { fields: [], kind: 'struct' } }],
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         programNode({
             accounts: [
                 accountNode({
diff --git a/packages/nodes-from-anchor/test/v01/RootNode.test.ts b/packages/nodes-from-anchor/test/v01/RootNode.test.ts
index a390f566..2faffbb9 100644
--- a/packages/nodes-from-anchor/test/v01/RootNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/RootNode.test.ts
@@ -1,9 +1,9 @@
 import { programNode, rootNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { rootNodeFromAnchorV01 } from '../../src/index.js';
 
-test('it creates root nodes', t => {
+test('it creates root nodes', () => {
     const node = rootNodeFromAnchorV01({
         address: '1111',
         instructions: [],
@@ -14,8 +14,7 @@ test('it creates root nodes', t => {
         },
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         rootNode(
             programNode({
                 name: 'myProgram',
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/ArrayTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/ArrayTypeNode.test.ts
index f5f960c5..aeae49aa 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/ArrayTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/ArrayTypeNode.test.ts
@@ -1,12 +1,11 @@
 import { arrayTypeNode, fixedCountNode, numberTypeNode, prefixedCountNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates array type nodes', t => {
-    t.deepEqual(typeNodeFromAnchorV01({ array: ['u8', 2] }), arrayTypeNode(numberTypeNode('u8'), fixedCountNode(2)));
-    t.deepEqual(
-        typeNodeFromAnchorV01({ vec: 'u8' }),
+test('it creates array type nodes', () => {
+    expect(typeNodeFromAnchorV01({ array: ['u8', 2] })).toEqual(arrayTypeNode(numberTypeNode('u8'), fixedCountNode(2)));
+    expect(typeNodeFromAnchorV01({ vec: 'u8' })).toEqual(
         arrayTypeNode(numberTypeNode('u8'), prefixedCountNode(numberTypeNode('u32'))),
     );
 });
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/BooleanTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/BooleanTypeNode.test.ts
index a60b7e75..b9dbb52a 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/BooleanTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/BooleanTypeNode.test.ts
@@ -1,8 +1,8 @@
 import { booleanTypeNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates boolean type nodes', t => {
-    t.deepEqual(typeNodeFromAnchorV01('bool'), booleanTypeNode());
+test('it creates boolean type nodes', () => {
+    expect(typeNodeFromAnchorV01('bool')).toEqual(booleanTypeNode());
 });
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/BytesTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/BytesTypeNode.test.ts
index 176c4a8e..5c1528a1 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/BytesTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/BytesTypeNode.test.ts
@@ -1,8 +1,8 @@
 import { bytesTypeNode, numberTypeNode, sizePrefixTypeNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates bytes type nodes', t => {
-    t.deepEqual(typeNodeFromAnchorV01('bytes'), sizePrefixTypeNode(bytesTypeNode(), numberTypeNode('u32')));
+test('it creates bytes type nodes', () => {
+    expect(typeNodeFromAnchorV01('bytes')).toEqual(sizePrefixTypeNode(bytesTypeNode(), numberTypeNode('u32')));
 });
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/EnumTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/EnumTypeNode.test.ts
index 5d817008..3b133dba 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/EnumTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/EnumTypeNode.test.ts
@@ -9,11 +9,11 @@ import {
     structTypeNode,
     tupleTypeNode,
 } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates enum type nodes', t => {
+test('it creates enum type nodes', () => {
     const node = typeNodeFromAnchorV01({
         kind: 'enum',
         variants: [
@@ -23,8 +23,7 @@ test('it creates enum type nodes', t => {
         ],
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         enumTypeNode([
             enumEmptyVariantTypeNode('variantA'),
             enumTupleVariantTypeNode('variantB', tupleTypeNode([numberTypeNode('u16'), booleanTypeNode()])),
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/NumberTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/NumberTypeNode.test.ts
index abef80b1..f51716e4 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/NumberTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/NumberTypeNode.test.ts
@@ -1,20 +1,20 @@
 import { numberTypeNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates number type nodes', t => {
-    t.deepEqual(typeNodeFromAnchorV01('f32'), numberTypeNode('f32'));
-    t.deepEqual(typeNodeFromAnchorV01('f64'), numberTypeNode('f64'));
-    t.deepEqual(typeNodeFromAnchorV01('i8'), numberTypeNode('i8'));
-    t.deepEqual(typeNodeFromAnchorV01('i16'), numberTypeNode('i16'));
-    t.deepEqual(typeNodeFromAnchorV01('i32'), numberTypeNode('i32'));
-    t.deepEqual(typeNodeFromAnchorV01('i64'), numberTypeNode('i64'));
-    t.deepEqual(typeNodeFromAnchorV01('i128'), numberTypeNode('i128'));
-    t.deepEqual(typeNodeFromAnchorV01('shortU16'), numberTypeNode('shortU16'));
-    t.deepEqual(typeNodeFromAnchorV01('u8'), numberTypeNode('u8'));
-    t.deepEqual(typeNodeFromAnchorV01('u16'), numberTypeNode('u16'));
-    t.deepEqual(typeNodeFromAnchorV01('u32'), numberTypeNode('u32'));
-    t.deepEqual(typeNodeFromAnchorV01('u64'), numberTypeNode('u64'));
-    t.deepEqual(typeNodeFromAnchorV01('u128'), numberTypeNode('u128'));
+test('it creates number type nodes', () => {
+    expect(typeNodeFromAnchorV01('f32')).toEqual(numberTypeNode('f32'));
+    expect(typeNodeFromAnchorV01('f64')).toEqual(numberTypeNode('f64'));
+    expect(typeNodeFromAnchorV01('i8')).toEqual(numberTypeNode('i8'));
+    expect(typeNodeFromAnchorV01('i16')).toEqual(numberTypeNode('i16'));
+    expect(typeNodeFromAnchorV01('i32')).toEqual(numberTypeNode('i32'));
+    expect(typeNodeFromAnchorV01('i64')).toEqual(numberTypeNode('i64'));
+    expect(typeNodeFromAnchorV01('i128')).toEqual(numberTypeNode('i128'));
+    expect(typeNodeFromAnchorV01('shortU16')).toEqual(numberTypeNode('shortU16'));
+    expect(typeNodeFromAnchorV01('u8')).toEqual(numberTypeNode('u8'));
+    expect(typeNodeFromAnchorV01('u16')).toEqual(numberTypeNode('u16'));
+    expect(typeNodeFromAnchorV01('u32')).toEqual(numberTypeNode('u32'));
+    expect(typeNodeFromAnchorV01('u64')).toEqual(numberTypeNode('u64'));
+    expect(typeNodeFromAnchorV01('u128')).toEqual(numberTypeNode('u128'));
 });
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/OptionTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/OptionTypeNode.test.ts
index f755f0fd..6fd314a3 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/OptionTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/OptionTypeNode.test.ts
@@ -1,19 +1,17 @@
 import { numberTypeNode, optionTypeNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates option type nodes', t => {
-    t.deepEqual(typeNodeFromAnchorV01({ option: 'u8' }), optionTypeNode(numberTypeNode('u8')));
+test('it creates option type nodes', () => {
+    expect(typeNodeFromAnchorV01({ option: 'u8' })).toEqual(optionTypeNode(numberTypeNode('u8')));
 });
 
-test('it creates option type nodes with fixed size', t => {
-    t.deepEqual(
-        typeNodeFromAnchorV01({ coption: 'u8' }),
+test('it creates option type nodes with fixed size', () => {
+    expect(typeNodeFromAnchorV01({ coption: 'u8' })).toEqual(
         optionTypeNode(numberTypeNode('u8'), { fixed: true, prefix: numberTypeNode('u32') }),
     );
-    t.deepEqual(
-        typeNodeFromAnchorV01({ coption: 'u8' }),
+    expect(typeNodeFromAnchorV01({ coption: 'u8' })).toEqual(
         optionTypeNode(numberTypeNode('u8'), { fixed: true, prefix: numberTypeNode('u32') }),
     );
 });
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/PublicKeyTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/PublicKeyTypeNode.test.ts
index 2c6e362a..2ca43a84 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/PublicKeyTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/PublicKeyTypeNode.test.ts
@@ -1,8 +1,8 @@
 import { publicKeyTypeNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates public key type nodes', t => {
-    t.deepEqual(typeNodeFromAnchorV01('pubkey'), publicKeyTypeNode());
+test('it creates public key type nodes', () => {
+    expect(typeNodeFromAnchorV01('pubkey')).toEqual(publicKeyTypeNode());
 });
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/StringTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/StringTypeNode.test.ts
index fa5c4d95..c668a7e5 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/StringTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/StringTypeNode.test.ts
@@ -1,8 +1,8 @@
 import { numberTypeNode, sizePrefixTypeNode, stringTypeNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates string type nodes', t => {
-    t.deepEqual(typeNodeFromAnchorV01('string'), sizePrefixTypeNode(stringTypeNode('utf8'), numberTypeNode('u32')));
+test('it creates string type nodes', () => {
+    expect(typeNodeFromAnchorV01('string')).toEqual(sizePrefixTypeNode(stringTypeNode('utf8'), numberTypeNode('u32')));
 });
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/StructTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/StructTypeNode.test.ts
index 466cb3a1..b1693f48 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/StructTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/StructTypeNode.test.ts
@@ -5,11 +5,11 @@ import {
     structFieldTypeNode,
     structTypeNode,
 } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates struct type nodes', t => {
+test('it creates struct type nodes', () => {
     // TODO: Fix 2 fields always registering as a tuple when this should be a struct
     const node = typeNodeFromAnchorV01({
         fields: [
@@ -20,8 +20,7 @@ test('it creates struct type nodes', t => {
         kind: 'struct',
     });
 
-    t.deepEqual(
-        node,
+    expect(node).toEqual(
         structTypeNode([
             structFieldTypeNode({
                 name: 'name',
diff --git a/packages/nodes-from-anchor/test/v01/typeNodes/TupleTypeNode.test.ts b/packages/nodes-from-anchor/test/v01/typeNodes/TupleTypeNode.test.ts
index 45a41ab7..3975123d 100644
--- a/packages/nodes-from-anchor/test/v01/typeNodes/TupleTypeNode.test.ts
+++ b/packages/nodes-from-anchor/test/v01/typeNodes/TupleTypeNode.test.ts
@@ -1,13 +1,13 @@
 import { numberTypeNode, publicKeyTypeNode, tupleTypeNode } from '@kinobi-so/nodes';
-import test from 'ava';
+import { expect, test } from 'vitest';
 
 import { typeNodeFromAnchorV01 } from '../../../src/index.js';
 
-test('it creates tuple type nodes', t => {
+test('it creates tuple type nodes', () => {
     const node = typeNodeFromAnchorV01({
         fields: ['u8', 'pubkey'],
         kind: 'struct',
     });
 
-    t.deepEqual(node, tupleTypeNode([numberTypeNode('u8'), publicKeyTypeNode()]));
+    expect(node).toEqual(tupleTypeNode([numberTypeNode('u8'), publicKeyTypeNode()]));
 });