Bug 1652503: [mozlint] Install rstcheck for tests; r=ahal

Differential Revision: https://phabricator.services.mozilla.com/D84646

tools/lint/rst/requirements.in

@@ -0,0 +1,2 @@
+rstcheck==3.3.1
+Pygments==2.6.1

tools/lint/rst/requirements.txt

@@ -1,9 +1,18 @@
+#
+# This file is autogenerated by pip-compile
+# To update, run:
+#
+#    pip-compile --generate-hashes --output-file=tools/lint/rst/requirements.txt tools/lint/rst/requirements.in
+#
 docutils==0.14 \
     --hash=sha256:02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6 \
     --hash=sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274 \
-    --hash=sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6
+    --hash=sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6 \
+    # via rstcheck
+pygments==2.6.1 \
+    --hash=sha256:647344a061c249a3b74e230c739f434d7ea4d8b1d5f3721bc0f3558049b38f44 \
+    --hash=sha256:ff7a40b4860b727ab48fad6360eb351cc1b33cbf9b15a0f689ca5353e9463324 \
+    # via -r tools/lint/rst/requirements.in
 rstcheck==3.3.1 \
-    --hash=sha256:92c4f79256a54270e0402ba16a2f92d0b3c15c8f4410cb9c57127067c215741f
-Pygments==2.4.2 \
-    --hash=sha256:71e430bc85c88a430f000ac1d9b331d2407f681d6f6aec95e8bcfbc3df5b0127 \
-    --hash=sha256:881c4c157e45f30af185c1ffe8d549d48ac9127433f2c380c24b84572ad66297
+    --hash=sha256:92c4f79256a54270e0402ba16a2f92d0b3c15c8f4410cb9c57127067c215741f \
+    # via -r tools/lint/rst/requirements.in

tools/lint/test/python.ini

@@ -16,6 +16,8 @@ skip-if = os == "win"
 [test_lintpref.py]
 [test_shellcheck.py]
 [test_rst.py]
+requirements = tools/lint/rst/requirements.txt
+skip-if = os == "mac"  # pip unable to install
 [test_codespell.py]
 skip-if = os == "win" || os == "mac"  # codespell installed on Linux
 [test_yaml.py]