Allow the user to opt in to client tests

.github/workflows/main-ci.yml

@@ -27,6 +27,7 @@ jobs:
       run: |
         mkdir -p ~/.gradle
         echo "org.gradle.daemon=false" >> ~/.gradle/gradle.properties
+        echo "cc.tweaked.clientTests=true" >> ~/.gradle/gradle.properties
 
     - name: Build with Gradle
       run: |

build.gradle

@@ -408,8 +408,12 @@ task setupServer(type: Copy) {
         }
     }
 
+    if (name != "Client" || project.findProperty('cc.tweaked.clientTests') == 'true') {
+        // Don't run client tests unless explicitly opted into them. They're a bit of a faff
+        // to run and pretty flakey.
         check.dependsOn("jacocoTest${name}Report")
     }
+}
 
 
 // Upload tasks