[mlir][docs][python] Fix up testing docs

[kuhar]

Use the correct path to binding tests.
Also add a suggested ninja command to run tests.

[llvmbot]

@llvm/pr-subscribers-mlir

Author: Jakub Kuderski (kuhar)

Changes

Use the correct path to binding tests.
Also add a suggested ninja command to run tests.

---

Full diff: https://github.com/llvm/llvm-project/pull/147092.diff

1 Files Affected:

• (modified) mlir/docs/Bindings/Python.md (+4-2)

diff --git a/mlir/docs/Bindings/Python.md b/mlir/docs/Bindings/Python.md
index b8bd0f507a510..90796ea0801a2 100644
--- a/mlir/docs/Bindings/Python.md
+++ b/mlir/docs/Bindings/Python.md
@@ -51,7 +51,9 @@ python -m pip install --upgrade pip
 # packages will be installed there.
 python -m pip install -r mlir/python/requirements.txt
 
-# Now run `cmake`, `ninja`, et al.
+# Now run `cmake`, `ninja`, et al. For example, to run python bindings test only
+# using ninja:
+ninja check-mlir-python
 ```
 
 For interactive use, it is sufficient to add the
@@ -859,7 +861,7 @@ mutually exclusive with a more complete mapping of the backing constructs.
 
 ## Testing
 
-Tests should be added in the `test/Bindings/Python` directory and should
+Tests should be added in the `mlir/test/python` directory and should
 typically be `.py` files that have a lit run line.
 
 We use `lit` and `FileCheck` based tests: