showcase-clirr test failing for all PRs that touch sdk-platform-java #12185
Description
When migrating sdk-platform-java, the showcase-clirr test was failing because the protos it was trying to compile were not available in main.
Now, the tests move past there, but are failing:
Error: Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:3.6.0:check (checkstyle) on project gax-parent: Failed during checkstyle configuration: cannot initialize module RegexpHeader - illegal value './sdk-platform-java/gax-java/java.header' for property 'headerFile': com.puppycrawl.tools.checkstyle.api.CheckstyleException: Unable to find: ./sdk-platform-java/gax-java/java.header -> [Help 1]
Error: Failed to execute goal org.apache.maven.plugins:maven-checkstyle-plugin:3.6.0:check (checkstyle) on project api-common: Failed during checkstyle configuration: cannot initialize module RegexpHeader - illegal value './sdk-platform-java/api-common-java/java.header' for property 'headerFile': com.puppycrawl.tools.checkstyle.api.CheckstyleException: Unable to find: ./sdk-platform-java/api-common-java/java.header -> [Help 1]