Added test cases to build and updated CI to use proper directories when copying

.drone.yml

@@ -8,6 +8,12 @@ steps:
   commands:
     - echo 'Starting build pipeline for AOC2021'
 
+- name: test
+  image: mcr.microsoft.com/dotnet/sdk:5.0
+  commands:
+    - cd AOC2021.Test
+    - dotnet test 
+
 - name: build-aoc-2021
   image: plugins/docker
   settings:
@@ -17,6 +23,8 @@ steps:
       from_secret: docker_password
     repo: 97waterpolo/aoc-2021
     dockerfile: AOC2021/Dockerfile
+  depends_on:
+  - test
 
 - name: finish
   image: busybox

AOC2021/Dockerfile

@@ -3,7 +3,7 @@ WORKDIR /app
 
 FROM mcr.microsoft.com/dotnet/sdk:5.0 AS build
 WORKDIR /src
-COPY ["AOC2021.csproj", "AOC2021/"]
+COPY ["AOC2021/AOC2021.csproj", "AOC2021/"]
 RUN dotnet restore "AOC2021/AOC2021.csproj"
 COPY [".", "AOC2021/."]
 WORKDIR "/src/AOC2021"