Fix tests that fail because of license header changes

The following classes are impacted by changes to the license headers:

1. community/procedure-compiler/processor/src/test/java/org/neo4j/tooling/procedure/ExtensionTestBase.java
2. community/procedure-compiler/processor/src/test/java/org/neo4j/tooling/procedure/ProcedureProcessorTest.java
3. community/procedure-compiler/processor/src/test/java/org/neo4j/tooling/procedure/UserAggregationFunctionProcessorTest.java
4. community/procedure-compiler/processor/src/test/java/org/neo4j/tooling/procedure/UserFunctionProcessorTest.java
5. enterprise/procedure-compiler-enterprise-tests/src/test/java/org/neo4j/tooling/procedure/EnterpriseTest.java