Add license headers to src/test/resources where possible, more fine-grained RAT exclusions
diff --git a/project/pom.xml b/project/pom.xml
index 6b46e07..683e1c5 100644
--- a/project/pom.xml
+++ b/project/pom.xml
@@ -147,7 +147,13 @@
         <configuration>
           <excludes>
             <!-- expectation files for unit tests -->
-            <exclude>**/src/test/resources/**</exclude>
+            <exclude>**/src/test/resources/**/*.sh</exclude>
+            <exclude>**/src/test/resources/**/*.bat</exclude>
+            <exclude>**/src/test/resources/**/*.cmd</exclude>
+            <exclude>**/src/test/resources/**/*.txt</exclude>
+            <exclude>**/src/test/resources/**/*.gz</exclude>
+            <exclude>**/src/test/resources/**/*.xml</exclude>
+            <exclude>**/src/test/resources/**/*.json</exclude>
 
             <!-- prevent duplicating license -->
             <exclude>**/LICENSE.txt</exclude>