test(tests/composition): added composition tests, atomicSpecies tests, and sandbox

tests/composition_sandbox/comp.cpp

@@ -0,0 +1,15 @@
+#include "composition.h"
+#include "config.h"
+#include <string>
+
+int main(int argv, char* argc[]) {
+    std::string pathToConfigFile;
+    if (argv == 2) {
+        pathToConfigFile = argc[1];
+    } else {
+        pathToConfigFile = "config.json";
+    }
+    Config::getInstance().loadConfig(pathToConfigFile);
+    composition::Composition comp;
+    return 0;
+}

tests/composition_sandbox/config.yaml

@@ -0,0 +1,2 @@
+Composition:
+  Tracked: "H-1"

tests/composition_sandbox/meson.build

@@ -0,0 +1 @@
+executable('composition_sandbox', 'comp.cpp', dependencies: [composition_dep, config_dep])