Fix typos in test code

This commit fixes typos in test class names, test method names, and
test variable names.

Closes gh-28807

spring-core/src/test/java/org/springframework/core/annotation/AnnotationBackCompatibilityTests.java

@@ -29,7 +29,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  * @author Phillip Webb
  * @since 5.2
  */
-class AnnotationBackCompatibiltyTests {
+class AnnotationBackCompatibilityTests {
 
 	@Test
 	void multiplRoutesToMetaAnnotation() {

spring-core/src/test/java/org/springframework/core/annotation/AnnotationsScannerTests.java

@@ -120,7 +120,7 @@ class AnnotationsScannerTests {
 	}
 
 	@Test
-	void inheritedAnnotationsStrategyOnClassWhenHasAnnotationOnBothClassesIncudesOnlyOne() {
+	void inheritedAnnotationsStrategyOnClassWhenHasAnnotationOnBothClassesIncludesOnlyOne() {
 		Class<?> source = WithSingleSuperclassAndDoubleInherited.class;
 		assertThat(Arrays.stream(source.getAnnotations()).map(
 				Annotation::annotationType).map(Class::getName)).containsExactly(

spring-core/src/test/java/org/springframework/core/env/StandardEnvironmentTests.java

@@ -242,7 +242,7 @@ public class StandardEnvironmentTests {
 	}
 
 	@Test
-	void getActiveProfiles_fromSystemProperties_withMulitpleProfiles_withWhitespace() {
+	void getActiveProfiles_fromSystemProperties_withMultipleProfiles_withWhitespace() {
 		System.setProperty(ACTIVE_PROFILES_PROPERTY_NAME, " bar , baz "); // notice whitespace
 		assertThat(environment.getActiveProfiles()).contains("bar", "baz");
 		System.clearProperty(ACTIVE_PROFILES_PROPERTY_NAME);