Fix wrong path expansion in end-to-end test (#2388)

* Update e2e-kitchensink.sh * Try again (differently)

Author: gaearon

tasks/e2e-kitchensink.sh

@@ -156,13 +156,13 @@ REACT_APP_SHELL_ENV_MESSAGE=fromtheshell \
  CI=true \
  NODE_PATH=src \
  NODE_ENV=test \
- npm test -- --no-cache --testPathPattern="/src/"
+ npm test -- --no-cache --testPathPattern=src
 
 # Catch when no tests are detected
 testsList=$(REACT_APP_SHELL_ENV_MESSAGE=fromtheshell \
  CI=true \
  NODE_PATH=src \
- npm test -- --no-cache --testPathPattern="/src/" --listTests)
+ npm test -- --no-cache --testPathPattern=src --listTests)
 
 if [[ ${testsList} =~ "[]" ]]; then
  exit 1
@@ -230,7 +230,7 @@ REACT_APP_SHELL_ENV_MESSAGE=fromtheshell \
  CI=true \
  NODE_PATH=src \
  NODE_ENV=test \
- npm test -- --no-cache --testPathPattern='/src/'
+ npm test -- --no-cache --testPathPattern=src
 
 # Test "development" environment
 tmp_server_log=`mktemp`