Rename test files to make them run

The files should match the expected name pattern so that are executed
through maven.

src/test/java/no/digipost/sanitizing/HtmlValidatorTestV1.java → src/test/java/no/digipost/sanitizing/HtmlValidatorV1Test.java

@@ -19,16 +19,14 @@
 import org.junit.jupiter.api.Test;
 
 import java.time.Clock;
-import java.time.Instant;
 import java.time.ZoneOffset;
 
-import static no.digipost.sanitizing.internal.PolicyFactoryProvider.V2_IN_EFFECT;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertSame;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-class HtmlValidatorTestV1 {
+class HtmlValidatorV1Test {
 
     private final HtmlValidator V1_validator = new HtmlValidator(Clock.fixed(PolicyFactoryProvider.V2_IN_EFFECT.minusSeconds(1), ZoneOffset.UTC));
 

src/test/java/no/digipost/sanitizing/HtmlValidatorTestV2.java → src/test/java/no/digipost/sanitizing/HtmlValidatorV2Test.java

@@ -26,7 +26,7 @@
 import static org.junit.jupiter.api.Assertions.assertSame;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-class HtmlValidatorTestV2 {
+class HtmlValidatorV2Test {
 
     private final HtmlValidator V2_validator = new HtmlValidator(Clock.fixed(PolicyFactoryProvider.V2_IN_EFFECT, ZoneOffset.UTC));