Revert "Add profiles directly to the application environment for tests"

This reverts commit 487b9cbf96.

Fixes gh-19788

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/SpringBootContextLoader.java

@@ -28,6 +28,7 @@ import org.springframework.boot.context.properties.bind.Binder;
 import org.springframework.boot.context.properties.source.ConfigurationPropertySource;
 import org.springframework.boot.context.properties.source.MapConfigurationPropertySource;
 import org.springframework.boot.test.mock.web.SpringBootMockServletContext;
+import org.springframework.boot.test.util.TestPropertyValues;
 import org.springframework.boot.web.reactive.context.GenericReactiveWebApplicationContext;
 import org.springframework.boot.web.servlet.support.ServletContextApplicationContextInitializer;
 import org.springframework.context.ApplicationContext;
@@ -92,7 +93,7 @@ public class SpringBootContextLoader extends AbstractContextLoader {
 		application.getSources().addAll(Arrays.asList(configLocations));
 		ConfigurableEnvironment environment = getEnvironment();
 		if (!ObjectUtils.isEmpty(config.getActiveProfiles())) {
-			environment.setActiveProfiles(config.getActiveProfiles());
+			setActiveProfiles(environment, config.getActiveProfiles());
 		}
 		ResourceLoader resourceLoader = (application.getResourceLoader() != null) ? application.getResourceLoader()
 				: new DefaultResourceLoader(getClass().getClassLoader());
@@ -138,6 +139,11 @@ public class SpringBootContextLoader extends AbstractContextLoader {
 		return new StandardEnvironment();
 	}
 
+	private void setActiveProfiles(ConfigurableEnvironment environment, String[] profiles) {
+		TestPropertyValues.of("spring.profiles.active=" + StringUtils.arrayToCommaDelimitedString(profiles))
+				.applyTo(environment);
+	}
+
 	protected String[] getInlinedProperties(MergedContextConfiguration config) {
 		ArrayList<String> properties = new ArrayList<>();
 		// JMX bean names will clash if the same bean is used in multiple contexts

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/context/SpringBootContextLoaderTests.java

@@ -22,8 +22,6 @@ import org.junit.Ignore;
 import org.junit.Test;
 
 import org.springframework.context.annotation.Configuration;
-import org.springframework.core.env.Environment;
-import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.MergedContextConfiguration;
 import org.springframework.test.context.TestContext;
@@ -91,40 +89,13 @@ public class SpringBootContextLoaderTests {
 		assertKey(config, "variables", "foo=FOO\n bar=BAR");
 	}
 
-	@Test
-	public void noActiveProfiles() {
-		Environment environment = getApplicationEnvironment(SimpleConfig.class);
-		assertThat(environment.getActiveProfiles()).isEmpty();
-	}
-
-	@Test
-	public void multipleActiveProfiles() {
-		Environment environment = getApplicationEnvironment(MultipleActiveProfiles.class);
-		assertThat(environment.getActiveProfiles()).containsExactly("profile1", "profile2");
-	}
-
-	@Test
-	public void activeProfileWithComma() {
-		Environment environment = getApplicationEnvironment(ActiveProfileWithComma.class);
-		assertThat(environment.getActiveProfiles()).containsExactly("profile1,2");
-	}
-
 	private Map<String, Object> getEnvironmentProperties(Class<?> testClass) {
-		TestContext context = getTestContext(testClass);
+		TestContext context = new ExposedTestContextManager(testClass).getExposedTestContext();
 		MergedContextConfiguration config = (MergedContextConfiguration) ReflectionTestUtils.getField(context,
 				"mergedContextConfiguration");
 		return TestPropertySourceUtils.convertInlinedPropertiesToMap(config.getPropertySourceProperties());
 	}
 
-	private Environment getApplicationEnvironment(Class<?> testClass) {
-		TestContext context = getTestContext(testClass);
-		return context.getApplicationContext().getEnvironment();
-	}
-
-	private TestContext getTestContext(Class<?> testClass) {
-		return new ExposedTestContextManager(testClass).getExposedTestContext();
-	}
-
 	private void assertKey(Map<String, Object> actual, String key, Object value) {
 		assertThat(actual.containsKey(key)).as("Key '" + key + "' not found").isTrue();
 		assertThat(actual.get(key)).isEqualTo(value);
@@ -172,20 +143,6 @@ public class SpringBootContextLoaderTests {
 
 	}
 
-	@SpringBootTest
-	@ActiveProfiles({ "profile1", "profile2" })
-	@ContextConfiguration(classes = Config.class)
-	static class MultipleActiveProfiles {
-
-	}
-
-	@SpringBootTest
-	@ActiveProfiles({ "profile1,2" })
-	@ContextConfiguration(classes = Config.class)
-	static class ActiveProfileWithComma {
-
-	}
-
 	@Configuration
 	static class Config {