HBX-3080: Refactor the Gradle integration tests to factor out common code

  - Make 'RunSqlTest' extend 'TestTemplate'
  - Rewrite 'RunSqlTest#testRunSql()' to account for new superclass

Signed-off-by: Koen Aers <[email protected]>

Author: koentsje

gradle/plugin/src/functionalTest/java/org/hibernate/tool/gradle/RunSqlTest.java

@@ -27,19 +27,18 @@
 
 class RunSqlTest extends TestTemplate {
 
-    private static final String HIBERNATE_TOOLS_EXTENSION_SECTION =
-    		"hibernateTools {\n" +
-    		"  sqlToRun = 'create table foo (id int not null primary key, baz varchar(256))'\n" +
-    		"}\n";
-
 	@BeforeEach
 	public void beforeEach() {
 		setGradleTaskToPerform("runSql");
 	}
 
 	@Test
     void testRunSql() throws Exception {
-		setHibernateToolsExtensionSection(HIBERNATE_TOOLS_EXTENSION_SECTION);
+		setHibernateToolsExtensionSection(
+				"hibernateTools {\n" +
+				"  sqlToRun = 'create table foo (id int not null primary key, baz varchar(256))'\n" +
+				"}\n"
+		);
 		assertNull(getDatabaseFile());
     	createProjectAndExecuteGradleCommand();
 		assertTrue(getBuildResult().getOutput().contains("Running SQL: create table foo (id int not null primary key, baz varchar(256))"));