diff --git a/src/testSetup.ts b/src/testSetup.ts
index d2c1652..1eead97 100644
--- a/src/testSetup.ts
+++ b/src/testSetup.ts
@@ -35,7 +35,7 @@ declare module 'bun:test' {
     toMatchExpression(expected: string): T
     toFailParse(): T
     toEvaluateTo(expected: unknown, globals?: Record<string, any>): Promise<T>
-    toFailEvaluation(): Promise<T>
+    toFailEvaluation(globals?: Record<string, any>): Promise<T>
   }
 }
 
@@ -99,8 +99,7 @@ expect.extend({
     assert(typeof received === 'string', 'toEvaluateTo can only be used with string values')
 
     try {
-      if (globals) setGlobals(Object.keys(globals))
-      const compiler = new Compiler(received)
+      const compiler = new Compiler(received, globals ? Object.keys(globals) : [])
       const result = await run(compiler.bytecode, globals)
       let value = VMResultToValue(result)
 
@@ -121,12 +120,12 @@ expect.extend({
     }
   },
 
-  async toFailEvaluation(received) {
+  async toFailEvaluation(received, globals?: Record<string, any>) {
     assert(typeof received === 'string', 'toFailEvaluation can only be used with string values')
 
     try {
-      const compiler = new Compiler(received)
-      const vm = new VM(compiler.bytecode)
+      const compiler = new Compiler(received, globals ? Object.keys(globals) : [])
+      const vm = new VM(compiler.bytecode, globals)
       const value = await vm.run()
 
       return {