spdxtagvalue: 'Invalid element reference in relationship'

[rnjudge]

Describe the bug
The spdxtagvalue document generated by Tern is not validating.

To Reproduce
Steps to reproduce the behavior:

1. At the tip of master, run: tern -r report -i photon:3.0 -o output.spdx -f spdxtagvalue
2. Download the spdx validation tool at https://bintray.com/spdx/spdx-tools/download_file?file_path=org%2Fspdx%2Ftools-java%2F0.0.4%2Ftools-java-0.0.4-jar-with-dependencies.jar
3. Try to verify the document: `java -jar ~/tools-java-0.0.4-jar-with-dependencies.jar Verify output.spdx
4. See error

Error in terminal

This SPDX Document is not valid due to:
	Invalid element reference in relationship: SPDXRef-photon:3.0-photon-3.0 at line number 20

# Line 20:
 20 Relationship: SPDXRef-photon:3.0-photon-3.0 CONTAINS SPDXRef-b51a3a7866
 21 
 22 
 23 PackageName: layer.tar
 24 SPDXID: SPDXRef-b51a3a7866

Expected behavior
Document should validate.