Fix issue when single_header is given

[fleralle]

Tested with

field_to_match = {
  single_header = {
    name = "user-agent"
  }
}

Also changed it for single_query_argument

what

• Describe high-level what changed as a result of these commits (i.e. in plain-english, what do these changes mean?)
• Use bullet points to be concise and to the point.

why

• Provide the justifications for the changes (e.g. business case).
• Describe why these changes were made (e.g. why do these commits fix the problem?)
• Use bullet points to be concise and to the point.

references

• Link to any supporting github issues or helpful documentation to add some context (e.g. stackoverflow).
• Use closes #123, if this PR closes a GitHub issue #123

[rahulnandan]

When will this get approved?

[korenyoni]

/test all

[korenyoni]

When will this get approved?

@fleralle @rahulnandan

Sorry for the delay.

Thank you for your submission @fleralle. These changes look good.

Side note, please properly fill out what, when, and references in the PR template next time. But I will edit the PR description now and do that.

[korenyoni]

/rebuild-readme

[korenyoni]

/test all

[korenyoni]

We are missing tests that cover this particular set of dynamic blocks. I'm going to take the liberty to push a commit to this PR to expand our example in examples/complete accordingly.

[karaluh]

We are missing tests that cover this particular set of dynamic blocks. I'm going to take the liberty to push a commit to this PR to expand our example in examples/complete accordingly.

I don't see your commit and I guess that's what's holding the merge. Any ETA?