[AA] Add tests for diagnostics suppression on top-level declarations and class members

- `testConflictingOverloadsAtTopLevel` is currently disabled in FIR
  because it fails with a mismatch between diagnostics from the file and
  the individual elements. It will be enabled in the next commit.

^KT-62899

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsAtTopLevel.descriptors.txt

@@ -0,0 +1 @@
+Diagnostics from elements:

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsAtTopLevel.kt

@@ -0,0 +1,12 @@
+// IGNORE_FIR
+
+class SomeClass
+
+@Suppress("CONFLICTING_OVERLOADS")
+fun someFun(): SomeClass {
+    return SomeClass()
+}
+
+@Suppress("CONFLICTING_OVERLOADS")
+fun someFun() {
+}

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsAtTopLevel.txt

@@ -0,0 +1,7 @@
+Diagnostics from elements:
+  for PSI element of type KtStringTemplateExpression at (10,11-34)
+    ERROR_SUPPRESSION      text ranges: [(130,153)]
+      PSI: KtStringTemplateExpression at (10,11-34)
+  for PSI element of type KtStringTemplateExpression at (5,11-34)
+    ERROR_SUPPRESSION      text ranges: [(42,65)]
+      PSI: KtStringTemplateExpression at (5,11-34)

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsAtTopLevel2.kt

@@ -0,0 +1,22 @@
+// IGNORE_FIR
+// In FIR, there is currently a mismatch between the file's diagnostics and the individual elements' diagnostics, so we have to disable the
+// FIR test. It will be fixed by KT-63221.
+
+class SomeClass
+
+fun someFun(): Int {
+    return 5
+}
+
+@Suppress("CONFLICTING_OVERLOADS")
+fun someFun(): SomeClass {
+    return SomeClass()
+}
+
+@Suppress("CONFLICTING_OVERLOADS")
+fun someFun() {
+}
+
+fun someFun(): String {
+    return ""
+}

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsAtTopLevel2.txt

@@ -0,0 +1,7 @@
+Diagnostics from elements:
+  for PSI element of type KtNamedFunction at (20,1) - (22,2)
+    CONFLICTING_OVERLOADS      text ranges: [(394,415)]
+      PSI: KtNamedFunction at (20,1) - (22,2)
+  for PSI element of type KtNamedFunction at (7,1) - (9,2)
+    CONFLICTING_OVERLOADS      text ranges: [(215,233)]
+      PSI: KtNamedFunction at (7,1) - (9,2)

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsAtTopLevelWithFileSuppression.descriptors.txt

@@ -0,0 +1 @@
+Diagnostics from elements:

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsAtTopLevelWithFileSuppression.kt

@@ -0,0 +1,10 @@
+@file:Suppress("CONFLICTING_OVERLOADS")
+
+class SomeClass
+
+fun someFun(): SomeClass {
+    return SomeClass()
+}
+
+fun someFun() {
+}

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsAtTopLevelWithFileSuppression.txt

@@ -0,0 +1,4 @@
+Diagnostics from elements:
+  for PSI element of type KtStringTemplateExpression at (1,16-39)
+    ERROR_SUPPRESSION      text ranges: [(15,38)]
+      PSI: KtStringTemplateExpression at (1,16-39)

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsInClass.descriptors.txt

@@ -0,0 +1 @@
+Diagnostics from elements:

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsInClass.kt

@@ -0,0 +1,12 @@
+class SomeClass
+
+class OtherClass {
+    @Suppress("CONFLICTING_OVERLOADS")
+    fun someFun(): SomeClass {
+        return SomeClass()
+    }
+
+    @Suppress("CONFLICTING_OVERLOADS")
+    fun someFun() {
+    }
+}

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsInClass.txt

@@ -0,0 +1,7 @@
+Diagnostics from elements:
+  for PSI element of type KtStringTemplateExpression at (4,15-38)
+    ERROR_SUPPRESSION      text ranges: [(50,73)]
+      PSI: KtStringTemplateExpression at (4,15-38)
+  for PSI element of type KtStringTemplateExpression at (9,15-38)
+    ERROR_SUPPRESSION      text ranges: [(154,177)]
+      PSI: KtStringTemplateExpression at (9,15-38)

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsInNestedClass.descriptors.txt

@@ -0,0 +1 @@
+Diagnostics from elements:

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsInNestedClass.kt

@@ -0,0 +1,14 @@
+class SomeClass
+
+class OtherClass {
+    class NestedClass {
+        @Suppress("CONFLICTING_OVERLOADS")
+        fun someFun(): SomeClass {
+            return SomeClass()
+        }
+
+        @Suppress("CONFLICTING_OVERLOADS")
+        fun someFun() {
+        }
+    }
+}

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/conflictingOverloadsInNestedClass.txt

@@ -0,0 +1,7 @@
+Diagnostics from elements:
+  for PSI element of type KtStringTemplateExpression at (10,19-42)
+    ERROR_SUPPRESSION      text ranges: [(198,221)]
+      PSI: KtStringTemplateExpression at (10,19-42)
+  for PSI element of type KtStringTemplateExpression at (5,19-42)
+    ERROR_SUPPRESSION      text ranges: [(78,101)]
+      PSI: KtStringTemplateExpression at (5,19-42)

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/deprecationAtTopLevel.kt

@@ -0,0 +1,8 @@
+@Deprecated(message = "")
+fun foo() {
+}
+
+@Suppress("DEPRECATION")
+fun bar() {
+    foo()
+}

analysis/analysis-api/testData/components/diagnosticsProvider/diagnostics/suppression/deprecationAtTopLevel.txt

@@ -0,0 +1 @@
+Diagnostics from elements: