[chore] Fixing Prom Compliance tests (open-telemetry#35071)

**Description:** 

Ensuring prom tests directory is created.

.github/workflows/prometheus-compliance-tests.yml

@@ -53,7 +53,12 @@ jobs:
       - name: Copy binary to compliance directory
         # The required name of the downloaded artifact is `otelcol_0.42.0_linux_amd64`, so we place the collector contrib artifact under the same name in the bin folder to run.
         # Source: https://github.com/prometheus/compliance/blob/12cbdf92abf7737531871ab7620a2de965fc5382/remote_write_sender/targets/otel.go#L8
-        run: mkdir compliance/remote_write_sender/bin && cp opentelemetry-collector-contrib/bin/otelcontribcol_linux_amd64 compliance/remote_write_sender/bin/otelcol_0.42.0_linux_amd64
+        run: mkdir compliance/remotewrite/sender/bin && cp opentelemetry-collector-contrib/bin/otelcontribcol_linux_amd64  compliance/remotewrite/sender/bin/otelcol_0.42.0_linux_amd64
+      - name: clean up mod file
+        run: go mod tidy
+        working-directory: compliance/remotewrite/sender
       - name: Run compliance tests
-        run: go test -v --tags=compliance -run "TestRemoteWrite/otel/.+" ./ |& tee ./test-report.txt
-        working-directory: compliance/remote_write_sender
+        run: |
+          set -o pipefail && \
+          go test -v --tags=compliance -run "TestRemoteWrite/otel/.+" ./ |& tee ./test-report.txt
+        working-directory: compliance/remotewrite/sender