Refactor data provider method construction

This idea of this refactoring is the same as in the previous commit. Instead of collecting statements into some lists we now collect them right into the currentBlock.

Author: ArsenHD

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/model/constructor/context/CgContext.kt

@@ -99,7 +99,7 @@ internal interface CgContextOwner {
     val collectedExceptions: MutableSet<ClassId>
 
     // annotations required by the current method being built
-    val collectedTestMethodAnnotations: MutableSet<CgAnnotation>
+    val collectedMethodAnnotations: MutableSet<CgAnnotation>
 
     // imports required by the test class being built
     val collectedImports: MutableSet<Import>
@@ -259,7 +259,7 @@ internal interface CgContextOwner {
     }
 
     fun addAnnotation(annotation: CgAnnotation) {
-        if (collectedTestMethodAnnotations.add(annotation)) {
+        if (collectedMethodAnnotations.add(annotation)) {
             importIfNeeded(annotation.classId) // TODO: check how JUnit annotations are loaded
         }
     }
@@ -391,7 +391,7 @@ internal data class CgContext(
     override val collectedTestClassInterfaces: MutableSet<ClassId> = mutableSetOf(),
     override val collectedTestClassAnnotations: MutableSet<CgAnnotation> = mutableSetOf(),
     override val collectedExceptions: MutableSet<ClassId> = mutableSetOf(),
-    override val collectedTestMethodAnnotations: MutableSet<CgAnnotation> = mutableSetOf(),
+    override val collectedMethodAnnotations: MutableSet<CgAnnotation> = mutableSetOf(),
     override val collectedImports: MutableSet<Import> = mutableSetOf(),
     override val importedStaticMethods: MutableSet<MethodId> = mutableSetOf(),
     override val importedClasses: MutableSet<ClassId> = mutableSetOf(),