diff --git a/tests/interactions/inline/test_inline.lua b/tests/interactions/inline/test_inline.lua
index 4a6f7bcc1..3f2b88c43 100644
--- a/tests/interactions/inline/test_inline.lua
+++ b/tests/interactions/inline/test_inline.lua
@@ -3,41 +3,53 @@ local h = require("tests.helpers")
 local new_set = MiniTest.new_set
 local T = MiniTest.new_set()
 
-local inline
+local child = MiniTest.new_child_neovim()
 
 T["Inline"] = new_set({
   hooks = {
     pre_case = function()
-      inline = h.setup_inline({
-        adapters = {
-          http = {
-            fake_adapter = { name = "fake_adapter" },
+      h.child_start(child)
+      child.lua([[
+        h = require('tests.helpers')
+        config = require("tests.config")
+
+        -- Setup inline in child process
+        inline = h.setup_inline({
+          adapters = {
+            http = {
+              fake_adapter = { name = "fake_adapter" },
+            },
           },
-        },
-      })
+        })
+      ]])
+    end,
+    post_case = function()
+      child.lua([[inline = nil]])
     end,
-    post_case = function() end,
+    post_once = child.stop,
   },
 })
 
 T["Inline"]["can parse json output correctly"] = function()
-  local json = inline:parse_output([[{
+  local json_str = [[{
   "code": "function test() end",
   "placement": "add"
-}]])
+}]]
 
+  local json = child.lua([[return inline:parse_output(...)]], { json_str })
   h.eq("function test() end", json.code)
   h.eq("add", json.placement)
 end
 
 T["Inline"]["can parse markdown output correctly"] = function()
-  local json = inline:parse_output([[```json
+  local markdown_str = [[```json
 {
   "code": "function test() end",
   "placement": "add"
 }
-```]])
+```]]
 
+  local json = child.lua([[return inline:parse_output(...)]], { markdown_str })
   h.eq("function test() end", json.code)
   h.eq("add", json.placement)
 end
@@ -49,7 +61,7 @@ T["Inline"]["can parse Ollama output correctly"] = function()
     .. '  "placement": "before"\n'
     .. "}"
 
-  local json = inline:parse_output(ollama_response_str)
+  local json = child.lua_get([[inline:parse_output(...)]], { ollama_response_str })
   local expected_code_block = [[
 
 
@@ -64,67 +76,78 @@ end
 
 T["Inline"]["handles different placements"] = function()
   -- Test 'add' placement
-  inline:place("add")
-  h.eq(inline.classification.pos, {
-    line = inline.buffer_context.end_line + 1,
+  child.lua([[inline:place("add")]])
+  local pos = child.lua([[return inline.classification.pos]])
+  local buffer_context = child.lua([[return inline.buffer_context]])
+  h.eq(pos, {
+    line = buffer_context.end_line + 1,
     col = 0,
-    bufnr = inline.buffer_context.bufnr,
+    bufnr = buffer_context.bufnr,
   })
 
   -- Test 'replace' placement
-  inline:place("replace")
-  h.eq(inline.classification.pos, {
-    line = inline.buffer_context.start_line,
-    col = inline.buffer_context.start_col,
-    bufnr = inline.buffer_context.bufnr,
+  child.lua([[inline:place("replace")]])
+  pos = child.lua([[return inline.classification.pos]])
+  buffer_context = child.lua([[return inline.buffer_context]])
+  h.eq(pos, {
+    line = buffer_context.start_line,
+    col = buffer_context.start_col,
+    bufnr = buffer_context.bufnr,
   })
 
   -- Test 'before' placement
-  inline:place("before")
-  h.eq(inline.classification.pos, {
-    line = inline.buffer_context.start_line - 1,
-    col = math.max(0, inline.buffer_context.start_col - 1),
-    bufnr = inline.buffer_context.bufnr,
+  child.lua([[inline:place("before")]])
+  pos = child.lua([[return inline.classification.pos]])
+  buffer_context = child.lua([[return inline.buffer_context]])
+  h.eq(pos, {
+    line = buffer_context.start_line - 1,
+    col = math.max(0, buffer_context.start_col - 1),
+    bufnr = buffer_context.bufnr,
   })
 end
 
 T["Inline"]["forms correct prompts"] = function()
-  local prompts = {
-    {
-      role = "user",
-      content = "test prompt",
-      opts = { contains_code = true },
-    },
-  }
+  child.lua([[
+    local prompts = {
+      {
+        role = "user",
+        content = "test prompt",
+        opts = { contains_code = true },
+      },
+    }
 
-  inline.prompts = prompts
-  inline.buffer_context.is_visual = true
-  inline.buffer_context.lines = { "local x = 1" }
+    inline.prompts = prompts
+    inline.buffer_context.is_visual = true
+    inline.buffer_context.lines = { "local x = 1" }
 
-  inline:prompt("Hello World")
+    inline:prompt("Hello World")
+  ]])
 
-  h.eq(#inline.prompts, 4)
+  local prompts = child.lua([[return inline.prompts]])
+  h.eq(#prompts, 4)
   -- System prompt
-  h.expect_starts_with("You are a knowledgeable", inline.prompts[1].content)
+  h.expect_starts_with("You are a knowledgeable", prompts[1].content)
   -- Visual selection
   h.eq(
     "For context, this is the code that I've visually selected in the buffer, which is relevant to my prompt:\n<code>\n```lua\nlocal x = 1\n```\n</code>",
-    inline.prompts[3].content
+    prompts[3].content
   )
   -- User prompt
-  h.eq("<prompt>Hello World</prompt>", inline.prompts[#inline.prompts].content)
+  h.eq("<prompt>Hello World</prompt>", prompts[#prompts].content)
 end
 
 T["Inline"]["generates correct prompt structure"] = function()
-  local submitted_prompts = {}
-
-  -- Mock the submit function
-  function inline:submit(prompts)
-    submitted_prompts = prompts
-  end
+  child.lua([[
+    -- Mock the submit function
+    _G.submitted_prompts = {}
+    function inline:submit(prompts)
+      _G.submitted_prompts = prompts
+    end
 
-  inline:prompt("Test prompt")
+    inline:prompt("Test prompt")
+  ]])
 
+  local submitted_prompts = child.lua([[return _G.submitted_prompts]])
   h.eq(#submitted_prompts, 2) -- Should be a system prompt and the user prompt
   h.eq(submitted_prompts[1].role, "system")
   h.eq(submitted_prompts[2].role, "user")
@@ -132,84 +155,97 @@ T["Inline"]["generates correct prompt structure"] = function()
 end
 
 T["Inline"]["the first word can be an adapter"] = function()
-  -- Mock the submit function
-  local submitted_prompts = {}
-  function inline:submit(prompts)
-    submitted_prompts = prompts
-  end
+  child.lua([[
+    -- Mock the submit function
+    _G.submitted_prompts = {}
+    function inline:submit(prompts)
+      _G.submitted_prompts = prompts
+    end
+  ]])
 
   -- Adapter is the default
-  h.eq(inline.adapter.name, "test_adapter")
+  h.eq(child.lua([[return inline.adapter.name]]), "test_adapter")
 
-  inline:prompt("fake_adapter print hello world")
+  child.lua([[inline:prompt("fake_adapter print hello world")]])
 
   -- Adapter has been changed
-  h.eq("fake_adapter", inline.adapter.name)
+  h.eq("fake_adapter", child.lua([[return inline.adapter.name]]))
 
   -- Adapter is removed from the prompt
+  local submitted_prompts = child.lua([[return _G.submitted_prompts]])
   h.eq(submitted_prompts[2].content, "<prompt>print hello world</prompt>")
 end
 
 T["Inline"]["can be called from the action palette"] = function()
-  local prompt = {
-    name = "test",
-    strategy = "inline",
-    prompts = {
-      {
-        role = "user",
-        content = "Action Palette test",
+  child.lua([[
+    local prompt = {
+      name = "test",
+      strategy = "inline",
+      prompts = {
+        {
+          role = "user",
+          content = "Action Palette test",
+        },
       },
-    },
-  }
+    }
 
-  local interaction = require("codecompanion.interactions").new({
-    buffer_context = inline.buffer_context,
-    selected = prompt,
-  })
-  interaction:start("inline")
+    local interaction = require("codecompanion.interactions").new({
+      buffer_context = inline.buffer_context,
+      selected = prompt,
+    })
+    interaction:start("inline")
+
+    _G.test_interaction = interaction
+  ]])
 
   -- System prompt is added
-  h.eq(2, #interaction.called.prompts)
+  h.eq(2, child.lua([[return #_G.test_interaction.called.prompts]]))
 
   -- User prompt is added
-  h.eq("Action Palette test", interaction.called.prompts[2].content)
+  h.eq("Action Palette test", child.lua([[return _G.test_interaction.called.prompts[2].content]]))
 end
 
 T["Inline"]["integration"] = function()
-  -- Mock the submit function
-  local submitted_prompts = {}
-  function inline:submit(prompts)
-    submitted_prompts = prompts
-  end
+  child.lua([[
+    -- Mock the submit function
+    _G.submitted_prompts = {}
+    function inline:submit(prompts)
+      _G.submitted_prompts = prompts
+    end
 
-  inline:prompt("#{foo} can you print hello world?")
+    inline:prompt("#{foo} can you print hello world?")
+  ]])
 
+  local submitted_prompts = child.lua([[return _G.submitted_prompts]])
   h.eq("The output from foo variable", submitted_prompts[2].content)
   h.eq("<prompt>can you print hello world?</prompt>", submitted_prompts[3].content)
 end
 
 T["Inline"]["can parse adapter syntax"] = function()
-  local submitted_prompts = {}
-  function inline:submit(prompts)
-    submitted_prompts = prompts
-  end
-
-  -- Mock the buffer variable to return predictable content
-  local original_buffer_variable = require("codecompanion.config").interactions.inline.variables.buffer
-  require("codecompanion.config").interactions.inline.variables.buffer = {
-    callback = function()
-      return "mocked buffer content"
-    end,
-    description = "Mock buffer for testing",
-  }
+  child.lua([[
+    _G.submitted_prompts = {}
+    function inline:submit(prompts)
+      _G.submitted_prompts = prompts
+    end
+
+    -- Mock the buffer variable to return predictable content
+    _G.original_buffer_variable = require("codecompanion.config").interactions.inline.variables.buffer
+    require("codecompanion.config").interactions.inline.variables.buffer = {
+      callback = function()
+        return "mocked buffer content"
+      end,
+      description = "Mock buffer for testing",
+    }
+  ]])
 
   -- Default adapter
-  h.eq(inline.adapter.name, "test_adapter")
+  h.eq(child.lua([[return inline.adapter.name]]), "test_adapter")
 
-  inline:prompt("adapter=fake_adapter #{buffer} print hello world")
-  h.eq("fake_adapter", inline.adapter.name)
+  child.lua([[inline:prompt("adapter=fake_adapter #{buffer} print hello world")]])
+  h.eq("fake_adapter", child.lua([[return inline.adapter.name]]))
 
   -- Should be system + buffer content + user prompt
+  local submitted_prompts = child.lua([[return _G.submitted_prompts]])
   h.eq(3, #submitted_prompts)
 
   h.eq("mocked buffer content", submitted_prompts[2].content)
@@ -218,7 +254,9 @@ T["Inline"]["can parse adapter syntax"] = function()
   h.eq("<prompt>print hello world</prompt>", submitted_prompts[#submitted_prompts].content)
 
   -- Restore original buffer variable
-  require("codecompanion.config").interactions.inline.variables.buffer = original_buffer_variable
+  child.lua([[
+    require("codecompanion.config").interactions.inline.variables.buffer = _G.original_buffer_variable
+  ]])
 end
 
 return T