Modify error output

Signed-off-by: Ian Howell <ian.howell0@gmail.com>

cmd/helm/testdata/output/schema-negative-cli.txt

@@ -1,3 +1,3 @@
-Error: .Values does not meet the specification of values.schema.yaml . see errors :
+Error: values don't meet the specification of the schema:
 - age: Must be greater than or equal to 0/1
 

cmd/helm/testdata/output/schema-negative.txt

@@ -1,4 +1,4 @@
-Error: .Values does not meet the specification of values.schema.yaml . see errors :
+Error: values don't meet the specification of the schema:
 - (root): employmentInfo is required
 - age: Must be greater than or equal to 0/1
 

pkg/chartutil/values.go

@@ -170,7 +170,7 @@ func ValidateAgainstSchema(values Values, schema Schema) error {
 
 	if !result.Valid() {
 		var sb strings.Builder
-		sb.WriteString(".Values does not meet the specification of values.schema.yaml . see errors :\n")
+		sb.WriteString("values don't meet the specification of the schema:\n")
 		for _, desc := range result.Errors() {
 			sb.WriteString(fmt.Sprintf("- %s\n", desc))
 		}

pkg/chartutil/values_test.go

@@ -201,8 +201,8 @@ func TestValidateAgainstSchemaNegative(t *testing.T) {
 		errString = err.Error()
 	}
 
-	if !strings.Contains(errString, ".Values does not meet the specification of values.schema.yaml . see errors :") {
-		t.Errorf("Error string does not contain expected string: \".Values does not meet the specification of values.schema.yaml . see errors :\"")
+	if !strings.Contains(errString, "values don't meet the specification of the schema:") {
+		t.Errorf("Error string does not contain expected string: \"values don't meet the specification of the schema:\"")
 	}
 	if !strings.Contains(errString, "- (root): employmentInfo is required") {
 		t.Errorf("Error string does not contain expected string: \"- (root): employmentInfo is required\"")