[PM-22903] fix unit test execution (#5401)

README.md

@@ -52,6 +52,16 @@
 
     Please avoid mixing formatting and logical changes in the same commit/PR. When possible, fix any large formatting issues in a separate PR before opening one to make logical changes to the same code. This helps others focus on the meaningful code changes when reviewing the code.
 
+4. Setup JDK `Version` `17`:
+
+    - Navigate to `Preferences > Build, Execution, Deployment > Build Tools > Gradle`.
+    - Hit the selected Gradle JDK next to `Gradle JDK:`.
+    - Select a `17.x` version or hit `Download JDK...` if not present.
+    - Select `Version` `17`.
+    - Select your preferred `Vendor`.
+    - Hit `Download`.
+    - Hit `Apply`.
+
 ## Theme
 
 ### Icons & Illustrations

app/build.gradle.kts

@@ -296,7 +296,7 @@ tasks {
         useJUnitPlatform()
         maxHeapSize = "2g"
         maxParallelForks = Runtime.getRuntime().availableProcessors()
-        jvmArgs = jvmArgs.orEmpty() + "-XX:+UseParallelGC"
+        jvmArgs = jvmArgs.orEmpty() + "-XX:+UseParallelGC" + "-Duser.country=US"
         android.sourceSets["main"].res.srcDirs("src/test/res")
     }
 }