Runner: Fix Scala.js linking error #120
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When the libraries `scalajs-test-interface` and `scalajs-junit-test-runtime` are placed before MUnit in the classpath, the following linking error occurs: ``` org.junit.runner.Runner (of kind Class) is not a valid interface implemented by munit.MUnitRunner (of kind Class) ``` Solve this by defining an `abstract class` instead of a `trait` to match JUnit's [`Runner`](https://junit.org/junit4/javadoc/4.12/org/junit/runner/Runner.html). See also scalameta#114.
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olafurpg
approved these changes
May 1, 2020
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When the libraries
scalajs-test-interfaceandscalajs-junit-test-runtimeare placed before MUnit in the classpath, the following linking error occurs:Solve this by defining an
abstract classinstead of atraitto match JUnit'sRunner.See also #114.