Test for different methods in `ProjectDefinition >> #postLoadJavaHook` This commit just changes the clumsy test for compiled class libraries to use multiple different methods. `#classNamesAndAttributes` may be missing in (pure) Pharo `PackageManifests`. `#mandatoryPreRequisites` may be missing in some old project definitions created before (single) `#preRequisites` have been split to `#mandatoryPreRequisites` and `#requiredPreRequisites`. Sigh.

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@REM -------

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@REM make using lcc compiler

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@REM type lcmake, and wait...

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@REM do not edit - automatically generated from ProjectDefinition

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@REM -------

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make.exe -N -f bc.mak USELCC=1 %1 %2

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