errorprone :: ConstantField - UnitTest.TMPDIR (#875)

Author: jpdahlke

src/test/java/emissary/test/core/junit5/UnitTest.java

@@ -52,6 +52,7 @@ public abstract class UnitTest {
 
     @TempDir
     public static File temporaryDirectory;
+    @SuppressWarnings("ConstantField")
     protected static String TMPDIR = "/tmp";
     @Nullable
     protected Package thisPackage = null;