[llvm] [Docs] Update TestSuiteGuide.md (PR #79613)

[via llvm-commits]

https://github.com/VisdaVokhshoori created https://github.com/llvm/llvm-project/pull/79613

Update svn to git & virtualenv to vent

>From d994bb801ed3540c978dfc448dff3a4a8ce3f193 Mon Sep 17 00:00:00 2001
From: VisdaVokhshoori <31481804+VisdaVokhshoori at users.noreply.github.com>
Date: Fri, 26 Jan 2024 10:59:07 -0500
Subject: [PATCH] [Docs] Update TestSuiteGuide.md

Update svn to git & virtualenv to vent
---
 llvm/docs/TestSuiteGuide.md | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/llvm/docs/TestSuiteGuide.md b/llvm/docs/TestSuiteGuide.md
index 85623da080ed84d..8656ca5d38575d4 100644
--- a/llvm/docs/TestSuiteGuide.md
+++ b/llvm/docs/TestSuiteGuide.md
@@ -16,10 +16,9 @@ Quickstart
    environment:
 
    ```bash
-   % mkdir venv
-   % virtualenv venv
-   % . venv/bin/activate
-   % pip install svn+https://llvm.org/svn/llvm-project/llvm/trunk/utils/lit
+   % python3 -m venv .venv
+   % . .venv/bin/activate
+   % pip install git+https://github.com/llvm/llvm-project.git#subdirectory=llvm/utils/lit
    % lit --version
    lit 0.8.0dev
    ```