Update cheatsheets

tldr/dotnet-test

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# dotnet test
+
+> Execute tests for a .NET application.
+> Note: View <https://learn.microsoft.com/en-us/dotnet/core/testing/selective-unit-tests> for supported filter expressions.
+> More information: <https://learn.microsoft.com/dotnet/core/tools/dotnet-test>.
+
+- Execute tests for a .NET project/solution in the current directory:
+
+`dotnet test`
+
+- Execute tests for a .NET project/solution in a specific location:
+
+`dotnet test {{path/to/project_or_solution}}`
+
+- Execute tests matching the given filter expression:
+
+`dotnet test --filter {{Name~TestMethod1}}`