chore: Fix e2e test matrix script syntax

[bryantbiggs]

Fixes #N/A

Description

• Fix e2e test matrix script syntax

How was this change tested?

You can reproduce locally with the following:

Current, throws error:

#!/bin/bash

if (( "$PRIVATE_CLUSTER" == 'true' )); then
  echo "Private cluster is enabled"
else
  echo "Private cluster is disabled"
fi

Fixed, no error:

#!/bin/bash

if (( "$PRIVATE_CLUSTER" == "true" )); then
  echo "Private cluster is enabled"
else
  echo "Private cluster is disabled"
fi

Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: #
• No

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

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[coveralls]

Pull Request Test Coverage Report for Build 10837539736

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 83.025%

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Totals
Change from base Build 10837327997:	0.0%
Covered Lines:	5512
Relevant Lines:	6639

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💛 - Coveralls

[jonathan-innis]

LGTM 🚀