Remove [test] package from opentelemetry-proto (#3757)

Fixes #3729

Author: ocelotl

Diff for: opentelemetry-proto/pyproject.toml

@@ -27,9 +27,6 @@ dependencies = [
   "protobuf>=3.19, < 5.0",
 ]
 
-[project.optional-dependencies]
-test = []
-
 [project.urls]
 Homepage = "https://github.com/open-telemetry/opentelemetry-python/tree/main/opentelemetry-proto"
 

Diff for: opentelemetry-proto/test-requirements.txt

@@ -0,0 +1,17 @@
+asgiref==3.7.2
+attrs==23.2.0
+Deprecated==1.2.14
+flaky==3.7.0
+importlib-metadata==6.11.0
+iniconfig==2.0.0
+packaging==23.2
+pluggy==1.4.0
+py==1.11.0
+py-cpuinfo==9.0.0
+pytest==7.1.3
+pytest-benchmark==4.0.0
+tomli==2.0.1
+typing_extensions==4.10.0
+wrapt==1.16.0
+zipp==3.17.0
+-e opentelemetry-proto

Diff for: tox.ini

@@ -108,7 +108,7 @@ commands_pre =
 ; cases but it saves a lot of boilerplate in this file.
   opentelemetry: pip install {toxinidir}/opentelemetry-api {toxinidir}/opentelemetry-semantic-conventions {toxinidir}/opentelemetry-sdk {toxinidir}/tests/opentelemetry-test-utils
 
-  protobuf: pip install {toxinidir}/opentelemetry-proto
+  protobuf: pip install -r {toxinidir}/opentelemetry-proto/test-requirements.txt
 
   getting-started: pip install -r {toxinidir}/docs/getting_started/tests/requirements.txt
   getting-started: pip install -e {env:CONTRIB_REPO}\#egg=opentelemetry-util-http&subdirectory=util/opentelemetry-util-http
@@ -216,6 +216,7 @@ commands_pre =
   pip install -r {toxinidir}/opentelemetry-sdk/test-requirements.txt
   pip install -r {toxinidir}/opentelemetry-semantic-conventions/test-requirements.txt
   python -m pip install -e {toxinidir}/opentelemetry-proto[test]
+  pip install -r {toxinidir}/opentelemetry-proto/test-requirements.txt
   python -m pip install -e {toxinidir}/tests/opentelemetry-test-utils[test]
   pip install -r {toxinidir}/shim/opentelemetry-opentracing-shim/test-requirements.txt
   pip install -r {toxinidir}/shim/opentelemetry-opencensus-shim/test-requirements.txt