No test found. Make sure that installed test discoverers & executors, platform & framework version settings are appropriate and try again

Question

I am in the process of upgrading our existing solution to .Net 4.6.1 and have been unable to get our unit tests to run during a server build. Locally they run as expected an

Answer 1

If you are running your tests inside docker using multistage building and tests aren't found. Make sure you copy all files not only project files like below Dockerfile section.

FROM mcr.microsoft.com/dotnet/core/sdk:2.2-stretch AS build
WORKDIR /src
COPY ["MainProject/FirstApp.csproj", "MainProject/"]
COPY ["TestProject/*", "TestProject/"]

RUN dotnet restore "TestProject/TestProject.csproj"
RUN dotnet build "TestProject/TestProject.csproj" -c Release
RUN dotnet test "TestProject/TestProject.csproj" -c Release