FIX: MysqlGenerateMigrationTest now clears pendingDrops System-Property

ebean-ddl-generator/src/test/java/io/ebeaninternal/dbmigration/MysqlGenerateMigrationTest.java

@@ -5,6 +5,8 @@ import io.ebean.DatabaseFactory;
 import io.ebean.annotation.Platform;
 import io.ebean.config.DatabaseConfig;
 import io.ebean.config.PlatformConfig;
+
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 
 import java.io.File;
@@ -22,6 +24,11 @@ import static org.assertj.core.api.Assertions.assertThat;
  */
 public class MysqlGenerateMigrationTest {
 
+  @AfterEach
+  public void resetPendingDropsProperty() {
+    System.clearProperty("ddl.migration.pendingDropsFor");
+  }
+
   @Test
   public void testMysqlStoredProcedures() throws Exception {
     DefaultDbMigration migration = new DefaultDbMigration();