Remove duplicate method

Author: ryanjbaxter

spring-cloud-config-server/src/test/java/org/springframework/cloud/config/server/environment/EnvironmentControllerTests.java

@@ -556,12 +556,6 @@ public void nameStartsWithSlash() {
 			.isInstanceOf(InvalidEnvironmentRequestException.class);
 	}
 
-	@Test
-	public void nameStartsWithSlash() {
-		assertThatThrownBy(() -> this.controller.labelled("(_)spam", "bar", null))
-			.isInstanceOf(InvalidEnvironmentRequestException.class);
-	}
-
 	@Test
 	public void labelWithPreviousDirectory() {
 		assertThatThrownBy(() -> this.controller.labelled("foo", "bar", "..(_).."))