[FIR] Report UNSUPPORTED_SUSPEND_TEST

^KT-60002 Fixed

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDataClassConverters.kt

@@ -82,6 +82,12 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirErrors.UNSUPPORTED_SUSPEND_TEST) { firDiagnostic ->
+        UnsupportedSuspendTestImpl(
+            firDiagnostic as KtPsiDiagnostic,
+            token,
+        )
+    }
     add(FirErrors.NEW_INFERENCE_ERROR) { firDiagnostic ->
         NewInferenceErrorImpl(
             firDiagnostic.a,

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnostics.kt

@@ -103,6 +103,10 @@ sealed interface KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         val unsupportedFeature: Pair<LanguageFeature, LanguageVersionSettings>
     }
 
+    interface UnsupportedSuspendTest : KtFirDiagnostic<PsiElement> {
+        override val diagnosticClass get() = UnsupportedSuspendTest::class
+    }
+
     interface NewInferenceError : KtFirDiagnostic<PsiElement> {
         override val diagnosticClass get() = NewInferenceError::class
         val error: String

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnosticsImpl.kt

@@ -105,6 +105,11 @@ internal class UnsupportedFeatureImpl(
     token: KtLifetimeToken,
 ) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.UnsupportedFeature
 
+internal class UnsupportedSuspendTestImpl(
+    firDiagnostic: KtPsiDiagnostic,
+    token: KtLifetimeToken,
+) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.UnsupportedSuspendTest
+
 internal class NewInferenceErrorImpl(
     override val error: String,
     firDiagnostic: KtPsiDiagnostic,