Fixes metal shader test, simplify metal shader generation and testing and move to common to run tests on JVM that is faster and support assertEquals string comparison

[soywiz]

/cc @ygdrasil-io

I have simplified it so we can run in the JVM. In the junit assertEquals output the JVM intellij supports shpwing diffs which is convenient:

I have split the arguments into separate lines, so it is reasonable to compare them as a whole as a string that is easier to review and update

[codecov-commenter]

Codecov Report

Patch coverage: 77.77% and project coverage change: -0.03 ⚠️

Comparison is base (23c9020) 51.95% compared to head (e9b1ee0) 51.93%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1390      +/-   ##
==========================================
- Coverage   51.95%   51.93%   -0.03%     
==========================================
  Files        1641     1646       +5     
  Lines      100042   100258     +216     
  Branches    14618    14646      +28     
==========================================
+ Hits        51975    52067      +92     
- Misses      43961    44061     +100     
- Partials     4106     4130      +24     

Flag	Coverage Δ
unittests	51.93% <77.77%> (-0.03%)	⬇️

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Impacted Files	Coverage Δ
...wiz/korag/metal/shader/BaseMetalShaderGenerator.kt	11.76% <ø> (ø)
...wiz/korag/metal/shader/MetalShaderBodyGenerator.kt	30.64% <ø> (ø)
...ain/kotlin/com/soywiz/korag/metal/shader/Shader.kt	100.00% <ø> (ø)
...monMain/kotlin/com.soywiz.ktruth/BooleanSubject.kt	0.00% <0.00%> (ø)
...Main/kotlin/com.soywiz.ktruth/CollectionSubject.kt	11.11% <20.00%> (+11.11%)	⬆️
.../commonMain/kotlin/com.soywiz.ktruth/AnySubject.kt	33.33% <40.00%> (+33.33%)	⬆️
.../soywiz/korag/metal/shader/MetalShaderGenerator.kt	83.50% <100.00%> (ø)
...wiz/korag/metal/shader/MetalShaderGeneratorTest.kt	100.00% <100.00%> (ø)
...ck/src/commonMain/kotlin/com/soywiz/klock/Sleep.kt	0.00% <0.00%> (-50.00%)	⬇️
...idMain/kotlin/com/soywiz/klogger/ConsoleAndroid.kt	0.00% <0.00%> (-23.81%)	⬇️
... and 29 more

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