software/ors-amarisoft: reindent test python files with 2 spaces

I used the following commands:
autopep8 test_ors.py --select=E101 --ignore=E121 --indent-size=2 --in-place
autopep8 test.py --select=E101 --ignore=E121 --indent-size=2 --in-place
25 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:10:10

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

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passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3Next

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failed SlapOS.SoftwareReleases.IntegrationTest-Master

08:22:31

passed SlapOS.Theia.ResilienceTest-Master-ERP5

07:36:52

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:27:22

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

07:00:03

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:38:43

passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3Next

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passed SlapOS.Eggs.UnitTest-Master.Python3Next

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passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:15:54

passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:16:46

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:39:28

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

08:30:31