Install requirements for tests

Signed-off-by: Jason Parraga <sovietaced@gmail.com>

Author: Sovietaced

tox.ini

@@ -141,14 +141,17 @@ commands_pre =
 
   exporter-otlp-proto-common-0: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-common/test-requirements-0.txt
   exporter-otlp-proto-common-1: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-common/test-requirements-1.txt
+  exporter-otlp-proto-common-2: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-common/test-requirements-2.txt
 
   exporter-otlp-combined: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp/test-requirements.txt
 
   opentelemetry-exporter-otlp-proto-grpc-0: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-grpc/test-requirements-0.txt
   opentelemetry-exporter-otlp-proto-grpc-1: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-grpc/test-requirements-1.txt
+  opentelemetry-exporter-otlp-proto-grpc-2: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-grpc/test-requirements-2.txt
 
   opentelemetry-exporter-otlp-proto-http-0: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-http/test-requirements-0.txt
-  opentelemetry-exporter-otlp-proto-http-1: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-http/test-requirements-1.txt
+  opentelemetry-exporter-otlp-proto-grpc-1: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-grpc/test-requirements-1.txt
+  opentelemetry-exporter-otlp-proto-grpc-2: pip install -r {toxinidir}/exporter/opentelemetry-exporter-otlp-proto-grpc/test-requirements-2.txt
 
   opentracing-shim: pip install -r {toxinidir}/shim/opentelemetry-opentracing-shim/test-requirements.txt