[Analysis API] Migrate existing code fragment tests to the new API

analysis/low-level-api-fir/testData/inBlockModification/codeFragments/localClass.fragment.kt

@@ -1,7 +0,0 @@
-class Foo(val x: Int) {
-    fun foo() {
-        <expr>foo()</expr>
-    }
-}
-
-Foo(1)

analysis/low-level-api-fir/testData/inBlockModification/codeFragments/localClass.kt

@@ -1,3 +1,20 @@
+// MODULE: context
+
+// FILE: context.kt
 fun test() {
-    <caret>Unit
-}
+    <caret_context>Unit
+}
+
+
+// MODULE: main
+// MODULE_KIND: CodeFragment
+
+// FILE: fragment.kt
+// CODE_FRAGMENT_KIND: BLOCK
+class Foo(val x: Int) {
+    fun foo() {
+        <expr>foo()</expr>
+    }
+}
+
+Foo(1)

analysis/low-level-api-fir/testData/inBlockModification/codeFragments/localFunction.fragment.kt

@@ -1,7 +0,0 @@
-fun foo(a: Int, b: String) {}
-
-fun bar() {
-    <expr>foo(1, "foo")</expr>
-}
-
-bar()

analysis/low-level-api-fir/testData/inBlockModification/codeFragments/localFunction.kt

@@ -1,3 +1,20 @@
+// MODULE: context
+
+// FILE: context.kt
 fun test() {
-    <caret>Unit
-}
+    <caret_context>Unit
+}
+
+
+// MODULE: main
+// MODULE_KIND: CodeFragment
+
+// FILE: fragment.kt
+// CODE_FRAGMENT_KIND: BLOCK
+fun foo(a: Int, b: String) {}
+
+fun bar() {
+    <expr>foo(1, "foo")</expr>
+}
+
+bar()

analysis/low-level-api-fir/testData/inBlockModification/codeFragments/simple.fragment.kt

@@ -1 +0,0 @@
-<expr>foo</expr>

analysis/low-level-api-fir/testData/inBlockModification/codeFragments/simple.kt

@@ -1,10 +1,21 @@
+// MODULE: context
+
+// FILE: context.kt
 package test
 
 class Foo
 
 fun test() {
     val foo = Foo()
-    <caret>consume(foo)
+    <caret_context>consume(foo)
 }
 
-fun consume(foo: Foo) {}
+fun consume(foo: Foo) {}
+
+
+// MODULE: main
+// MODULE_KIND: CodeFragment
+
+// FILE: fragment.kt
+// CODE_FRAGMENT_KIND: EXPRESSION
+<expr>foo</expr>