DATAJDBC-506 - Fix some typos in code and documentation.

Original pull request: #200.

src/test/java/org/springframework/data/jdbc/repository/query/QueryAnnotationHsqlIntegrationTests.java

@@ -171,7 +171,7 @@ public class QueryAnnotationHsqlIntegrationTests {
 	}
 
 	@Test // DATAJDBC-175
-	public void executeCustomQueryWithReturnTypeIsNubmer() {
+	public void executeCustomQueryWithReturnTypeIsNumber() {
 
 		repository.save(dummyEntity("aaa"));
 		repository.save(dummyEntity("bbb"));
@@ -199,7 +199,7 @@ public class QueryAnnotationHsqlIntegrationTests {
 	public void executeCustomQueryWithReturnTypeIsDate() {
 
 		// Since Timestamp extends Date the repository returns the Timestamp as it comes from the database.
-		// Trying to compare that to an actual Date results in non determistic results, so we have to use an actual
+		// Trying to compare that to an actual Date results in non deterministic results, so we have to use an actual
 		// Timestamp.
 		Date now = new Timestamp(System.currentTimeMillis());
 		assertThat(repository.nowWithDate()).isAfterOrEqualsTo(now);

src/test/java/org/springframework/data/jdbc/repository/support/JdbcRepositoryFactoryBeanUnitTests.java

@@ -81,7 +81,7 @@ public class JdbcRepositoryFactoryBeanUnitTests {
 	}
 
 	@Test(expected = IllegalStateException.class) // DATAJDBC-155
-	public void afterPropertiesThowsExceptionWhenNoMappingContextSet() {
+	public void afterPropertiesThrowsExceptionWhenNoMappingContextSet() {
 
 		factoryBean.setMappingContext(null);
 		factoryBean.setApplicationEventPublisher(publisher);