Organize test-cases into folders, extract compatibility test into proper test, support adding test-case specific tests

betterproto/tests/inputs/enums/enums.json

@@ -0,0 +1,3 @@
+{
+  "greeting": "HEY"
+}

betterproto/tests/inputs/enums/enums.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+// Enum for the different greeting types
+enum Greeting {
+  HI = 0;
+  HEY = 1;
+  // Formal greeting
+  HELLO = 2;
+}
+
+message Test {
+  // Greeting enum example
+  Greeting greeting = 1;
+}