fixed teest case

Former-commit-id: 7ced3ad498d077c8bed116c161744dd817250d96

dependency-check-core/src/test/java/org/owasp/dependencycheck/analyzer/AssemblyAnalyzerTest.java

@@ -117,6 +117,7 @@ public class AssemblyAnalyzerTest {
         try {
             // Have to make a NEW analyzer because during setUp, it would have gotten the correct one
             AssemblyAnalyzer aanalyzer = new AssemblyAnalyzer();
+            aanalyzer.supportsExtension("dll");
             aanalyzer.initialize();
         } finally {
             // Now recover the way we came in. If we had to set a System property, delete it. Otherwise,