Flatten Node coverage reports by one level to avoid issues with redirects
diff --git a/tools/run_tests/run_node.sh b/tools/run_tests/run_node.sh
index b94dc3e..f00bd1a 100755
--- a/tools/run_tests/run_node.sh
+++ b/tools/run_tests/run_node.sh
@@ -48,6 +48,7 @@
 then
   ./node_modules/.bin/istanbul cover --dir reports/node_coverage \
     -x **/interop/* ./node_modules/.bin/_mocha -- --timeout $timeout $test_directory
+  cp -r reports/node_coverage/lcov-report/* reports/node_coverage/
   cd build
   gcov Release/obj.target/grpc/ext/*.o
   lcov --base-directory . --directory . -c -o coverage.info
@@ -55,8 +56,6 @@
   genhtml -o ../reports/node_ext_coverage --num-spaces 2 \
     -t 'Node gRPC test coverage' coverage.info --rc genhtml_hi_limit=95 \
     --rc genhtml_med_limit=80 --no-prefix
-  echo '<html><head><meta http-equiv="refresh" content="0;URL=lcov-report/index.html"></head></html>' > \
-    ../reports/node_coverage/index.html
 else
   JUNIT_REPORT_PATH=src/node/report.xml JUNIT_REPORT_STACK=1 \
     ./node_modules/.bin/mocha --timeout $timeout \