chore: make sure output file is created

Author: y3owk1n

tests/_test_fzf_cmd_history.fish

@@ -24,15 +24,15 @@ set output_file $temp_dir/output.txt
 
 # Test _fzf_cmd_history without options
 setup_mocked_history
-$output_file <(echo "command1" | _fzf_cmd_history)
+echo command1 | _fzf_cmd_history >$output_file
 
 set selected_command_without_equals (string replace '=' '' (cat $output_file))
 @test "selected command is correct" "$selected_command_without_equals" = command1
 
 # Test _fzf_cmd_history with custom prompt name
 setup_mocked_history
 setup_mocked_fzf
-output_file <(echo "command2" | _fzf_cmd_history --prompt-name "CustomPrompt")
+echo command2 | _fzf_cmd_history --prompt-name CustomPrompt >$output_file
 
 set selected_command_without_equals (string replace '=' '' (cat $output_file))
 @test "selected command is correct with custom prompt name" "$selected_command_without_equals" = command2
@@ -41,7 +41,7 @@ set selected_command_without_equals (string replace '=' '' (cat $output_file))
 # Test _fzf_cmd_history with allow-execute option
 setup_mocked_history
 setup_mocked_fzf
-$output_file <(echo "command3" | _fzf_cmd_history --allow-execute)
+echo command3 | _fzf_cmd_history --allow-execute >$output_file
 
 set selected_command_without_equals (string replace '=' '' (cat $output_file))
 @test "selected command is correct with allow-execute option" "$selected_command_without_equals" = command3
@@ -50,15 +50,15 @@ set selected_command_without_equals (string replace '=' '' (cat $output_file))
 # Test _fzf_cmd_history with both prompt name and allow-execute options
 setup_mocked_history
 setup_mocked_fzf
-$output_file <(echo "command4" | _fzf_cmd_history --prompt-name "CustomPrompt" --allow-execute)
+echo command4 | _fzf_cmd_history --prompt-name CustomPrompt --allow-execute >$output_file
 
 set selected_command_without_equals (string replace '=' '' (cat $output_file))
 @test "selected command is correct with both options" "$selected_command_without_equals" = command4
 @test "prompt name in fzf is correct" $FZF_PROMPT_NAME = CustomPrompt
 
 # Test _fzf_cmd_history with allow-execute option (execution validation)
 setup_mocked_history
-$output_file <(echo "command5" | _fzf_cmd_history --allow-execute)
+echo command5 | _fzf_cmd_history --allow-execute >$output_file
 eval (cat $output_file)
 @test "command execution with allow-execute is successful" $status -eq 0