[FIR] Fix TEST SPEC tests

Ensure the test data contents for both the frontends
are identical. This is needed for proper analysis of
K2-differences.

compiler/tests-spec/testData/diagnostics/notLinked/contracts/analysis/common/neg/1.fir.kt

@@ -1,5 +1,13 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 
+/*
+ * KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (NEGATIVE)
+ *
+ * SECTIONS: contracts, analysis, common
+ * NUMBER: 1
+ * DESCRIPTION: Analysis by contracts with mixed CallsInPlace and Returns effects.
+ */
+
 // FILE: contracts.kt
 
 package contracts

compiler/tests-spec/testData/diagnostics/notLinked/contracts/analysis/common/pos/1.fir.kt

@@ -1,5 +1,13 @@
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 
+/*
+ * KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (POSITIVE)
+ *
+ * SECTIONS: contracts, analysis, common
+ * NUMBER: 1
+ * DESCRIPTION: Analysis by contracts with mixed CallsInPlace and Returns effects.
+ */
+
 // FILE: contracts.kt
 
 package contracts