Revert "[maven-release-plugin] prepare release asterix-0.8.7-incubating"

This reverts commit 44ae40a100a77ddd03490c61330bc6f4eff94f4d.
diff --git a/asterix-test-framework/pom.xml b/asterix-test-framework/pom.xml
index 2c79a33..9bfe6e8 100644
--- a/asterix-test-framework/pom.xml
+++ b/asterix-test-framework/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>asterix</artifactId>
 		<groupId>org.apache.asterix</groupId>
-		<version>0.8.7-incubating</version>
+		<version>0.8.7-SNAPSHOT</version>
 	</parent>
 	<artifactId>asterix-test-framework</artifactId>