[Java. Tests] IDEA-381948 Refactoring test name fixture and code insight fixture

GitOrigin-RevId: 96d9b19e8cf5ee8cd0a98f250521174237f00550

java/java-tests/testSrc/com/siyeh/ig/migration/ForCanBeForeachInspectionTest.java

@@ -44,7 +44,7 @@ public class ForCanBeForeachInspectionTest {
   }
 
   @Test
-  void forCanBeForEach() {
+  void testForCanBeForEach() {
     fixture.get().testHighlighting(testName.get() + ".java");
   }
 }

java/java-tests/testSrc/com/siyeh/ig/migration/TryFinallyCanBeTryWithResourcesInspectionTest.kt

@@ -41,7 +41,7 @@ class TryFinallyCanBeTryWithResourcesInspectionTest {
   }
 
   @Test
-  fun tryFinallyCanBeTryWithResources() {
+  fun testTryFinallyCanBeTryWithResources() {
     fixture.testHighlighting("$testName.java")
   }
 }

platform/testFramework/junit5/codeInsight/src/fixture/codeInsightFixture.kt

@@ -58,7 +58,7 @@ fun codeInsightFixture(
 fun <T: CodeInsightTestFixture> codeInsightFixture(
   projectFixture: TestFixture<Project>,
   tempDirFixture: TestFixture<Path>,
-  fixtureConstructor: (IdeaProjectTestFixture, TempDirTestFixture) -> T,
+  createFixture: (IdeaProjectTestFixture, TempDirTestFixture) -> T,
 ): TestFixture<T> = testFixture { context ->
   val project = projectFixture.init()
   val tempDir = tempDirFixture.init()
@@ -89,7 +89,7 @@ fun <T: CodeInsightTestFixture> codeInsightFixture(
     override fun deleteOnTearDown(): Boolean = false
   }
 
-  val codeInsightFixture = fixtureConstructor(projectFixture, tempDirFixture)
+  val codeInsightFixture = createFixture(projectFixture, tempDirFixture)
 
   codeInsightFixture.testDataPath = getTestDataPathString(context)
 

platform/testFramework/junit5/src/fixture/TestContextImpl.kt

@@ -17,7 +17,6 @@ internal class TestContextImpl(private val context: ExtensionContext, override v
         if (name.startsWith("test") && name.length > 4) name.removePrefix("test").trimStart()
         else name
       }
-      .replaceFirstChar { it.lowercaseChar() }
 
   override fun <T : Annotation> findAnnotation(clazz: Class<T>): T? {
     var extContext: ExtensionContext? = context

platform/testFramework/junit5/src/fixture/fixtures.kt

@@ -51,8 +51,10 @@ import kotlin.io.path.exists
 @JvmOverloads
 @TestOnly
 fun testNameFixture(lowerCaseFirstLetter: Boolean = true): TestFixture<String> = testFixture {
-  val testName = it.testName.replaceFirstChar {
-    chr -> if (lowerCaseFirstLetter) chr.lowercaseChar() else chr.uppercaseChar()
+  val testName = if (lowerCaseFirstLetter) {
+    it.testName.replaceFirstChar { chr -> chr.lowercaseChar() }
+  } else {
+    it.testName
   }
 
   initialized(testName) {}