test(tests): added test suite

The test suite is extensive. Note that LLMs were used to aid in the development of the test suite. All LLM generated code was manually reviewed.

tests/normalization/meson.build

@@ -0,0 +1,12 @@
+normalization_test_sources = files(
+  'computations.cpp',
+  'configuration.cpp',
+  'diagonal.cpp',
+  'dimensionless.cpp',
+  'operators.cpp',
+  'point_rows.cpp',
+  'scales.cpp',
+  'surface_metric.cpp',
+  'volume_computations.cpp',
+  'volume_metrics.cpp',
+)