diff --git a/src/test/java/conformance/NullnessJSpecifyConformanceTest.java b/src/test/java/conformance/NullnessJSpecifyConformanceTest.java
index 28d70aa..da0389d 100644
--- a/src/test/java/conformance/NullnessJSpecifyConformanceTest.java
+++ b/src/test/java/conformance/NullnessJSpecifyConformanceTest.java
@@ -7,6 +7,8 @@
 import com.google.common.base.Splitter;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.ImmutableSortedSet;
+
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Path;
@@ -76,7 +78,7 @@ public void conformanceTests() throws IOException {
    * @param deps the dependencies of the conformance tests.
    */
   private static ImmutableSet<ReportedFact> analyze(
-      Path testDir, ImmutableList<Path> files, ImmutableList<Path> deps) {
+      Path testDir, ImmutableSortedSet<Path> files, ImmutableList<Path> deps) {
     ImmutableSet<File> fileInputs = files.stream().map(Path::toFile).collect(toImmutableSet());
 
     ImmutableList<String> depsAsStrings =
diff --git a/src/test/resources/jspecify-conformance-test-report.txt b/src/test/resources/jspecify-conformance-test-report.txt
index 7e774bb..c614232 100644
--- a/src/test/resources/jspecify-conformance-test-report.txt
+++ b/src/test/resources/jspecify-conformance-test-report.txt
@@ -1,4 +1,4 @@
-# 14 pass; 100 fail; 114 total; 12.3% score
+# 14 pass; 100 fail; 114 total; 12,3% score
 FAIL: Basic.java:28:test:expression-type:Object?:nullable
 FAIL: Basic.java:28:test:sink-type:Object!:return
 FAIL: Basic.java:28:test:cannot-convert:Object? to Object!