fix(tests): Use higher test timeout under Windows Subsystem for Linux

scripts/test-local.sh

@@ -7,12 +7,20 @@ if [ -z "$CORS_ORIGIN" ]; then export CORS_ORIGIN="http://foo,http://bar"; fi;
 
 set -u
 
-glob=$*
-if [ -z "$glob" ]; then
-  glob="test/local test/remote"
+GLOB=$*
+if [ -z "$GLOB" ]; then
+  GLOB="test/local test/remote"
+fi
+
+DEFAULT_ARGS="-R dot --recursive"
+
+# When running under Windows Subsystem for Linux,
+# some tests take unusually long to complete.
+if uname -a | grep -q 'Microsoft'; then
+  DEFAULT_ARGS="$DEFAULT_ARGS --timeout 5000"
 fi
 
 ./scripts/gen_keys.js
 ./scripts/gen_vapid_keys.js
-./scripts/mocha-coverage.js -R dot --recursive $glob
+./scripts/mocha-coverage.js $DEFAULT_ARGS $GLOB
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