Remove tests of hardcoded dialects

These tests are not absolutely necessary since we have integration
tests for each database kind, which would fail if we targeted a
non-existing dialect.

And we won't be able to (easily) execute those tests after the next
commit anyway.

extensions/hibernate-orm/deployment/src/test/java/io/quarkus/hibernate/orm/deployment/ConstantsTest.java

@@ -2,26 +2,12 @@
 
 import static org.assertj.core.api.Assertions.assertThatCode;
 
-import java.util.Collections;
 import java.util.Set;
 
-import org.hibernate.dialect.DB297Dialect;
-import org.hibernate.dialect.DerbyTenSevenDialect;
-import org.hibernate.dialect.MariaDB106Dialect;
-import org.hibernate.dialect.MySQL8Dialect;
-import org.hibernate.dialect.Oracle12cDialect;
-import org.hibernate.dialect.SQLServer2016Dialect;
 import org.jboss.jandex.DotName;
-import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
 
-import io.quarkus.datasource.common.runtime.DatabaseKind;
-import io.quarkus.hibernate.orm.runtime.PersistenceUnitUtil;
-import io.quarkus.hibernate.orm.runtime.dialect.QuarkusH2Dialect;
-import io.quarkus.hibernate.orm.runtime.dialect.QuarkusPostgreSQL10Dialect;
-
 public class ConstantsTest {
     @ParameterizedTest
     @MethodSource("provideConstantsToTest")
@@ -33,23 +19,4 @@ void testClassNameRefersToExistingClass(DotName constant) {
     private static Set<DotName> provideConstantsToTest() {
         return ClassNames.CREATED_CONSTANTS;
     }
-
-    @Test
-    public void testDialectNames() {
-        assertDialectMatch(DatabaseKind.DB2, DB297Dialect.class);
-        assertDialectMatch(DatabaseKind.POSTGRESQL, QuarkusPostgreSQL10Dialect.class);
-        assertDialectMatch(DatabaseKind.H2, QuarkusH2Dialect.class);
-        assertDialectMatch(DatabaseKind.MARIADB, MariaDB106Dialect.class);
-        assertDialectMatch(DatabaseKind.MYSQL, MySQL8Dialect.class);
-        assertDialectMatch(DatabaseKind.DERBY, DerbyTenSevenDialect.class);
-        assertDialectMatch(DatabaseKind.MSSQL, SQLServer2016Dialect.class);
-        assertDialectMatch(DatabaseKind.ORACLE, Oracle12cDialect.class);
-    }
-
-    private void assertDialectMatch(String dbName, Class<?> dialectClass) {
-        final String guessDialect = Dialects
-                .guessDialect(PersistenceUnitUtil.DEFAULT_PERSISTENCE_UNIT_NAME, dbName, Collections.emptyList());
-        Assertions.assertEquals(dialectClass.getName(), guessDialect);
-    }
-
 }