Use a simplified naming scheme for tests.

tests/generation/generation.c

@@ -0,0 +1,13 @@
+#define MA_NO_DEVICE_IO
+#include "../test_common/ma_test_common.c"
+
+#include "ma_test_generation_noise.c"
+#include "ma_test_generation_waveform.c"
+
+int main(int argc, char** argv)
+{
+    ma_register_test("Noise",    test_entry__noise);
+    ma_register_test("Waveform", test_entry__waveform);
+
+    return ma_run_tests(argc, argv);
+}