Fix typos

See gh-2019

spring-jdbc/src/test/java/org/springframework/jdbc/core/test/DatePerson.java

@@ -60,8 +60,8 @@ public class DatePerson {
 		return balance;
 	}
 
-	public void setBalance(BigDecimal balanace) {
-		this.balance = balanace;
+	public void setBalance(BigDecimal balance) {
+		this.balance = balance;
 	}
 
 }

spring-jdbc/src/test/java/org/springframework/jdbc/core/test/Person.java

@@ -60,8 +60,8 @@ public class Person {
 		return balance;
 	}
 
-	public void setBalance(BigDecimal balanace) {
-		this.balance = balanace;
+	public void setBalance(BigDecimal balance) {
+		this.balance = balance;
 	}
 
 }

spring-jdbc/src/test/java/org/springframework/jdbc/datasource/init/ScriptUtilsIntegrationTests.java

@@ -44,7 +44,7 @@ public class ScriptUtilsIntegrationTests extends AbstractDatabaseInitializationT
 	}
 
 	@Test
-	public void executeSqlScriptContainingMuliLineComments() throws SQLException {
+	public void executeSqlScriptContainingMultiLineComments() throws SQLException {
 		executeSqlScript(db.getConnection(), resource("test-data-with-multi-line-comments.sql"));
 		assertUsersDatabaseCreated("Hoeller", "Brannen");
 	}

spring-jdbc/src/test/java/org/springframework/jdbc/datasource/init/ScriptUtilsUnitTests.java

@@ -149,7 +149,7 @@ public class ScriptUtilsUnitTests {
 	}
 
 	@Test  // SPR-9531
-	public void readAndSplitScriptContainingMuliLineComments() throws Exception {
+	public void readAndSplitScriptContainingMultiLineComments() throws Exception {
 		String script = readScript("test-data-with-multi-line-comments.sql");
 		List<String> statements = new ArrayList<>();
 		splitSqlScript(script, ';', statements);