tests: tests are less noisy

[jkowalleck]

tests polluted the edxErr. this was by mistake, which was fixed, now. in addition, the release tests were stripped to the needed, which might speed things up

[codacy-production[bot]]

Coverage summary from Codacy

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Coverage variation	Diff coverage
:white_check_mark: +0.00%	:white_check_mark: 100.00% (target: 80.00%)

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (b61bcc5c6072e1accccfefb120bfb09875a8873e) | 1263 | 1065 | 84.32% | | | Head commit (b7a71eeb861aa8093fa7b41fabe4dd57a8c98f5c) | 1263 (+0) | 1065 (+0) | 84.32% (**+0.00%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#1194) | 2 | 2 | **100.00%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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