Minor: don't trim file content in KotlinTestUtils#doLoadFile

compiler/testData/resolvedCalls/dynamic/explicitReceiverIsDispatchReceiver.txt

@@ -3,6 +3,7 @@ fun bar(a: dynamic ) {
 }
 
 
+
 Resolved call:
 
 Resulting descriptor: fun foo(): dynamic defined in bar

compiler/testData/resolvedCalls/dynamic/explicitReceiverIsExtensionReceiver.txt

@@ -5,6 +5,7 @@ fun bar(a: dynamic) {
 }
 
 
+
 Resolved call:
 
 Resulting descriptor: fun dynamic.foo(): Unit defined in root package

compiler/testData/resolvedCalls/dynamic/hasBothDispatchAndExtensionReceivers.txt

@@ -9,6 +9,7 @@ fun bar(a: A, b: dynamic) {
 }
 
 
+
 Resolved call:
 
 Resulting descriptor: fun dynamic.foo(): Unit defined in A

compiler/testData/resolvedCalls/dynamic/hasBothDispatchAndExtensionReceiversWithoutExplicitReceiver.txt

@@ -11,6 +11,7 @@ fun bar(a: A, b: dynamic) {
 }
 
 
+
 Resolved call:
 
 Resulting descriptor: fun dynamic.foo(): Unit defined in A

compiler/testData/resolvedCalls/dynamic/implicitReceiverIsDispatchReceiver.txt

@@ -3,6 +3,7 @@ fun dynamic.bar() {
 }
 
 
+
 Resolved call:
 
 Resulting descriptor: fun foo(): dynamic defined in bar

compiler/testData/resolvedCalls/dynamic/implicitReceiverIsExtensionReceiver.txt

@@ -5,6 +5,7 @@ fun dynamic.bar() {
 }
 
 
+
 Resolved call:
 
 Resulting descriptor: fun dynamic.foo(): Unit defined in root package