Extract diagnostics about 'suspend test' to a separate one

^KT-59152

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/Errors.java

@@ -80,6 +80,7 @@ public interface Errors {
     DiagnosticFactory1<PsiElement, String> UNSUPPORTED_INHERITANCE_FROM_JAVA_MEMBER_REFERENCING_KOTLIN_FUNCTION = DiagnosticFactory1.create(ERROR);
     DiagnosticFactory0<PsiElement> UNSUPPORTED_SEALED_WHEN = DiagnosticFactory0.create(ERROR);
     DiagnosticFactory0<PsiElement> UNSUPPORTED_SEALED_FUN_INTERFACE = DiagnosticFactory0.create(ERROR);
+    DiagnosticFactory0<PsiElement> UNSUPPORTED_SUSPEND_TEST = DiagnosticFactory0.create(ERROR);
 
     ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java

@@ -828,6 +828,7 @@ public class DefaultErrorMessages {
         MAP.put(UNSUPPORTED_INHERITANCE_FROM_JAVA_MEMBER_REFERENCING_KOTLIN_FUNCTION, "Inheritance of a Java member referencing 'kotlin.jvm.functions.FunctionN': {0} is unsupported", STRING);
         MAP.put(UNSUPPORTED_SEALED_WHEN, "'sealed' in front of 'when' is reserved");
         MAP.put(UNSUPPORTED_SEALED_FUN_INTERFACE, "'sealed fun interface' is unsupported");
+        MAP.put(UNSUPPORTED_SUSPEND_TEST, "'suspend' functions annotated with @kotlin.test.Test are unsupported");
 
         MAP.put(EXCEPTION_FROM_ANALYZER, "Internal Error occurred while analyzing this expression:\n{0}", THROWABLE);
         MAP.put(MISSING_STDLIB, "{0}. Ensure you have the standard Kotlin library in dependencies", STRING);

compiler/frontend/src/org/jetbrains/kotlin/resolve/checkers/SuspendLimitationsChecker.kt

@@ -46,7 +46,7 @@ object SuspendLimitationsChecker : DeclarationChecker {
 
         if (descriptor.annotations.any(AnnotationDescriptor::isKotlinTestAnnotation)) {
             declaration.modifierList?.getModifier(KtTokens.SUSPEND_KEYWORD)?.let {
-                context.trace.report(Errors.UNSUPPORTED.on(it, "suspend test functions"))
+                context.trace.report(Errors.UNSUPPORTED_SUSPEND_TEST.on(it))
             }
         }
     }

compiler/testData/diagnostics/testsWithStdLib/coroutines/suspendTest.kt

@@ -14,8 +14,8 @@ import kotlin.test.Test
 
 class A {
     @Test
-    <!UNSUPPORTED!>suspend<!> fun test() {}
+    <!UNSUPPORTED_SUSPEND_TEST!>suspend<!> fun test() {}
 }
 
 @Test
-<!UNSUPPORTED!>suspend<!> fun test() {}
+<!UNSUPPORTED_SUSPEND_TEST!>suspend<!> fun test() {}