diff --git a/packages/preact-query/src/__tests__/QueryClientProvider.test.tsx b/packages/preact-query/src/__tests__/QueryClientProvider.test.tsx
index c6ba18d989..010d3f7e24 100644
--- a/packages/preact-query/src/__tests__/QueryClientProvider.test.tsx
+++ b/packages/preact-query/src/__tests__/QueryClientProvider.test.tsx
@@ -47,7 +47,7 @@ describe('QueryClientProvider', () => {
     await vi.advanceTimersByTimeAsync(11)
     expect(rendered.getByText('test')).toBeInTheDocument()
 
-    expect(queryCache.find({ queryKey: key })).toBeDefined()
+    expect(queryCache.find({ queryKey: key })?.state.data).toBe('test')
   })
 
   it('allows multiple caches to be partitioned', async () => {
@@ -100,10 +100,10 @@ describe('QueryClientProvider', () => {
     expect(rendered.getByText('test1')).toBeInTheDocument()
     expect(rendered.getByText('test2')).toBeInTheDocument()
 
-    expect(queryCache1.find({ queryKey: key1 })).toBeDefined()
-    expect(queryCache1.find({ queryKey: key2 })).not.toBeDefined()
-    expect(queryCache2.find({ queryKey: key1 })).not.toBeDefined()
-    expect(queryCache2.find({ queryKey: key2 })).toBeDefined()
+    expect(queryCache1.find({ queryKey: key1 })?.state.data).toBe('test1')
+    expect(queryCache1.find({ queryKey: key2 })).toBeUndefined()
+    expect(queryCache2.find({ queryKey: key1 })).toBeUndefined()
+    expect(queryCache2.find({ queryKey: key2 })?.state.data).toBe('test2')
   })
 
   it("uses defaultOptions for queries when they don't provide their own config", async () => {
@@ -141,7 +141,6 @@ describe('QueryClientProvider', () => {
     await vi.advanceTimersByTimeAsync(11)
     expect(rendered.getByText('test')).toBeInTheDocument()
 
-    expect(queryCache.find({ queryKey: key })).toBeDefined()
     expect(queryCache.find({ queryKey: key })?.options.gcTime).toBe(Infinity)
   })
 
diff --git a/packages/preact-query/src/__tests__/mutationOptions.test.tsx b/packages/preact-query/src/__tests__/mutationOptions.test.tsx
index 8b3864b468..5972fc4d35 100644
--- a/packages/preact-query/src/__tests__/mutationOptions.test.tsx
+++ b/packages/preact-query/src/__tests__/mutationOptions.test.tsx
@@ -532,6 +532,5 @@ describe('mutationOptions', () => {
     await vi.advanceTimersByTimeAsync(11)
     expect(mutationStateArray.length).toEqual(1)
     expect(mutationStateArray[0]?.data).toEqual('data1')
-    expect(mutationStateArray[1]).toBeFalsy()
   })
 })
diff --git a/packages/preact-query/src/__tests__/useSuspenseQuery.test.tsx b/packages/preact-query/src/__tests__/useSuspenseQuery.test.tsx
index 8ea07b8525..8397312bb6 100644
--- a/packages/preact-query/src/__tests__/useSuspenseQuery.test.tsx
+++ b/packages/preact-query/src/__tests__/useSuspenseQuery.test.tsx
@@ -206,7 +206,7 @@ describe('useSuspenseQuery', () => {
 
     expect(rendered.queryByText('loading')).not.toBeInTheDocument()
     expect(rendered.queryByText('rendered')).not.toBeInTheDocument()
-    expect(queryCache.find({ queryKey: key })).toBeFalsy()
+    expect(queryCache.find({ queryKey: key })).toBeUndefined()
 
     fireEvent.click(rendered.getByLabelText('toggle'))
     expect(rendered.getByText('loading')).toBeInTheDocument()
diff --git a/packages/react-query/src/__tests__/QueryClientProvider.test.tsx b/packages/react-query/src/__tests__/QueryClientProvider.test.tsx
index 71f8059568..9488d356a7 100644
--- a/packages/react-query/src/__tests__/QueryClientProvider.test.tsx
+++ b/packages/react-query/src/__tests__/QueryClientProvider.test.tsx
@@ -46,7 +46,7 @@ describe('QueryClientProvider', () => {
     await vi.advanceTimersByTimeAsync(11)
     expect(rendered.getByText('test')).toBeInTheDocument()
 
-    expect(queryCache.find({ queryKey: key })).toBeDefined()
+    expect(queryCache.find({ queryKey: key })?.state.data).toBe('test')
   })
 
   it('allows multiple caches to be partitioned', async () => {
@@ -99,10 +99,10 @@ describe('QueryClientProvider', () => {
     expect(rendered.getByText('test1')).toBeInTheDocument()
     expect(rendered.getByText('test2')).toBeInTheDocument()
 
-    expect(queryCache1.find({ queryKey: key1 })).toBeDefined()
-    expect(queryCache1.find({ queryKey: key2 })).not.toBeDefined()
-    expect(queryCache2.find({ queryKey: key1 })).not.toBeDefined()
-    expect(queryCache2.find({ queryKey: key2 })).toBeDefined()
+    expect(queryCache1.find({ queryKey: key1 })?.state.data).toBe('test1')
+    expect(queryCache1.find({ queryKey: key2 })).toBeUndefined()
+    expect(queryCache2.find({ queryKey: key1 })).toBeUndefined()
+    expect(queryCache2.find({ queryKey: key2 })?.state.data).toBe('test2')
   })
 
   it("uses defaultOptions for queries when they don't provide their own config", async () => {
@@ -140,7 +140,6 @@ describe('QueryClientProvider', () => {
     await vi.advanceTimersByTimeAsync(11)
     expect(rendered.getByText('test')).toBeInTheDocument()
 
-    expect(queryCache.find({ queryKey: key })).toBeDefined()
     expect(queryCache.find({ queryKey: key })?.options.gcTime).toBe(Infinity)
   })
 
diff --git a/packages/react-query/src/__tests__/mutationOptions.test.tsx b/packages/react-query/src/__tests__/mutationOptions.test.tsx
index 45129a398d..7d0b034812 100644
--- a/packages/react-query/src/__tests__/mutationOptions.test.tsx
+++ b/packages/react-query/src/__tests__/mutationOptions.test.tsx
@@ -522,6 +522,5 @@ describe('mutationOptions', () => {
     await vi.advanceTimersByTimeAsync(11)
     expect(mutationStateArray.length).toEqual(1)
     expect(mutationStateArray[0]?.data).toEqual('data1')
-    expect(mutationStateArray[1]).toBeFalsy()
   })
 })
diff --git a/packages/react-query/src/__tests__/useSuspenseQuery.test.tsx b/packages/react-query/src/__tests__/useSuspenseQuery.test.tsx
index bb83983bef..4a7df3a2a6 100644
--- a/packages/react-query/src/__tests__/useSuspenseQuery.test.tsx
+++ b/packages/react-query/src/__tests__/useSuspenseQuery.test.tsx
@@ -192,7 +192,7 @@ describe('useSuspenseQuery', () => {
 
     expect(rendered.queryByText('loading')).not.toBeInTheDocument()
     expect(rendered.queryByText('rendered')).not.toBeInTheDocument()
-    expect(queryCache.find({ queryKey: key })).toBeFalsy()
+    expect(queryCache.find({ queryKey: key })).toBeUndefined()
 
     fireEvent.click(rendered.getByLabelText('toggle'))
     expect(rendered.getByText('loading')).toBeInTheDocument()